Move css files (#1374)

* Move bg/css/ to css/

* Move mixed/css/ to css/

5 files changed, 0 insertions, 3172 deletions

diff --git a/ext/bg/css/context.css b/ext/bg/css/context.css
deleted file mode 100644
index a77511ad..00000000
--- a/ext/bg/css/context.css
+++ /dev/null
@@ -1,420 +0,0 @@
-/*
- * Copyright (C) 2020-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-:root {
-    --badge-size: 16px;
-
-    --warning-color: #96751c;
-    --warning-color-light: #edc75e;
-}
-
-body {
-    padding: 10px;
-    margin: 0;
-    font-family: 'Segoe UI', Tahoma, sans-serif;
-    font-size: 14px;
-}
-
-h3 {
-    margin: 10px 0;
-    font-family: inherit;
-    font-weight: 500;
-    line-height: 1.1;
-    font-size: 24px;
-    color: inherit;
-}
-label {
-    font-weight: normal;
-}
-
-#mini {
-    display: flex;
-    flex-flow: column nowrap;
-    align-items: center;
-}
-#full {
-    display: none;
-}
-:root[data-mode=full] #mini {
-    display: none;
-}
-:root[data-mode=full] #full {
-    display: initial;
-}
-
-
-/* Icons */
-.icon {
-    --icon-image: none;
-    --icon-size: contain;
-
-    -webkit-mask-repeat: no-repeat;
-    -webkit-mask-position: center center;
-    -webkit-mask-mode: alpha;
-    -webkit-mask-size: var(--icon-size);
-    -webkit-mask-image: var(--icon-image);
-    mask-repeat: no-repeat;
-    mask-position: center center;
-    mask-mode: alpha;
-    mask-size: var(--icon-size);
-    mask-image: var(--icon-image);
-}
-.icon[data-icon=profile]                 { --icon-image: url(/images/profile.svg); }
-.icon[data-icon=cog]                     { --icon-image: url(/images/cog.svg); }
-.icon[data-icon=key]                     { --icon-image: url(/images/key.svg); }
-.icon[data-icon=magnifying-glass]        { --icon-image: url(/images/magnifying-glass.svg); }
-.icon[data-icon=exclamation-point-short] { --icon-image: url(/images/exclamation-point-short.svg); }
-.icon[data-icon=question-mark-circle]    { --icon-image: url(/images/question-mark-circle.svg); }
-
-
-/* Page-specific styles */
-.link-group {
-    flex-flow: row nowrap;
-    align-items: center;
-    line-height: 1.5em;
-    margin: 0 -10px;
-    padding: 0.5em 10px;
-    cursor: pointer;
-    color: #333;
-    text-decoration: none;
-    background-color: transparent;
-    transition: background-color 0.125s linear 0s;
-    max-width: none;
-}
-.link-group:not([hidden]) {
-    display: flex;
-}
-.link-group:hover,
-.link-group:active {
-    color: #333;
-    text-decoration: none;
-}
-.link-group:hover>.link-group-label,
-.link-group:active>.link-group-label {
-    text-decoration: underline;
-}
-.link-group:hover {
-    background-color: rgba(0, 0, 0, 0.05);
-}
-.link-group:active {
-    background-color: rgba(0, 0, 0, 0.1);
-}
-.link-group-icon {
-    width: 16px;
-    height: 16px;
-    text-align: center;
-    vertical-align: middle;
-    display: inline-block;
-    margin-right: 0.25em;
-}
-.link-group-icon>input {
-    margin: 0;
-    padding: 0;
-}
-.link-group-icon[data-icon=chevron]::after {
-    content: '';
-    display: block;
-    width: 100%;
-    height: 100%;
-    background-image: url(/images/right-chevron.svg);
-    background-repeat: no-repeat;
-    background-position: center center;
-    background-size: contain;
-}
-.link-group-label {
-    vertical-align: middle;
-}
-.link-group-badge {
-    margin-left: 0.5em;
-}
-
-/* Toggle */
-.toggle>input[type=checkbox] {
-    display: none;
-}
-.toggle>input[type=checkbox]:not(:checked)~.toggle-group {
-    transform: translateX(-50%);
-}
-.toggle {
-    box-sizing: border-box;
-    width: 60px;
-    height: 34px;
-    position: relative;
-    overflow: hidden;
-    border: 1px solid #245580;
-    border-radius: 4px;
-    display: inline-block;
-    padding: 6px 12px;
-}
-.toggle-group {
-    position: absolute;
-    width: 200%;
-    left: 0;
-    top: 0;
-    bottom: 0;
-    user-select: none;
-}
-body[data-loaded=true] .toggle-group {
-    transition: transform 0.35s;
-}
-
-.toggle-on,
-.toggle-off,
-.toggle-handle {
-    display: block;
-    padding: 6px 12px;
-    font-size: 14px;
-    font-weight: normal;
-    line-height: calc(20 / 14);
-    text-align: center;
-    white-space: nowrap;
-    cursor: pointer;
-}
-.toggle-on,
-.toggle-off {
-    position: absolute;
-    top: 0;
-    bottom: 0;
-    margin: 0;
-    border: 0;
-}
-
-.toggle-on {
-    padding-right: 24px;
-    left: 0;
-    right: 50%;
-    color: #ffffff;
-    background-color: #337ab7;
-    border-color: #2e6da4;
-    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.2);
-    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), inset 0 3px 5px rgba(0, 0, 0, 0);
-    background-image: linear-gradient(#337ab7, #265a88);
-    background-repeat: repeat-x;
-}
-.toggle-on:focus,
-.toggle-on:hover {
-    background-color: #265a88;
-    background-image: linear-gradient(#2d65a0, #265a88 50%);
-}
-.toggle-on:active {
-    background-color: #204d74;
-    background-image: none;
-    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
-}
-
-.toggle-off {
-    padding-left: 24px;
-    left: 50%;
-    right: 0;
-}
-
-.toggle-handle {
-    position: relative;
-    margin: 0 auto;
-    padding-top: 0;
-    padding-bottom: 0;
-    height: 100%;
-    width: 0;
-    border-style: solid;
-    border-width: 0 1px;
-    border-radius: 4px;
-    border-color: #cccccc;
-}
-
-.toggle-off,
-.toggle-handle {
-    color: #333333;
-    text-shadow: 0 1px 0 #ffffff;
-    background-color: #ffffff;
-    background-image: linear-gradient(#ffffff, #e0e0e0);
-    background-repeat: repeat-x;
-    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
-}
-.toggle-off:focus,
-.toggle-off:hover,
-.toggle-handle:focus,
-.toggle-handle:hover {
-    background-color: #e6e6e6;
-    background-image: linear-gradient(#e0e0e0, #e6e6e6 50%);
-    border-color: #adadad;
-}
-.toggle-off:active,
-.toggle-handle:active {
-    background-color: #d4d4d4;
-    background-image: none;
-    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
-    border-color: #8c8c8c;
-}
-
-
-/* Navigation buttons and icons */
-.nav-button-container {
-    display: flex;
-    justify-content: center;
-    margin-top: 10px;
-    white-space: nowrap;
-}
-.nav-button {
-    background-image: linear-gradient(#f8f8f8, #e0e0e0);
-    border: 1px solid #cccccc;
-    margin: 0;
-    padding: 2px 3px;
-    cursor: pointer;
-    position: relative;
-}
-.nav-button+.nav-button {
-    margin-left: -1px;
-}
-.nav-button:hover {
-    z-index: 1;
-    border-color: #aaaaaa;
-    background-image: linear-gradient(#e8e8e8, #d0d0d0);
-    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.15);
-}
-.nav-button:active {
-    z-index: 1;
-    border-color: #808080;
-    background-image: linear-gradient(#c8c8c8, #e0e0e0);
-    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.15);
-}
-.nav-button:focus {
-    outline: none;
-}
-.nav-button>.icon {
-    --icon-size: 16px 16px;
-    display: block;
-    width: 16px;
-    height: 16px;
-    box-sizing: content-box;
-    background-color: #333333;
-}
-.nav-button:first-child,
-.nav-button:first-child[hidden]+.nav-button {
-    border-top-left-radius: 3px;
-    border-bottom-left-radius: 3px;
-}
-.nav-button:last-child {
-    border-top-right-radius: 3px;
-    border-bottom-right-radius: 3px;
-}
-
-.action-select-profile {
-    position: relative;
-}
-.profile-select-container {
-    position: absolute;
-    left: -1px;
-    top: -1px;
-    right: -1px;
-    bottom: -1px;
-}
-select.profile-select {
-    position: absolute;
-    left: 0;
-    top: 0;
-    width: 100%;
-    height: 100%;
-    box-sizing: border-box;
-    border: 0;
-    margin: 0;
-    padding: 0.375em;
-    appearance: none;
-    -moz-appearance: none;
-    -webkit-appearance: none;
-    opacity: 0;
-    outline: none;
-    cursor: pointer;
-    font-size: 14px;
-}
-.profile-select optgroup {
-    color: #666666;
-    font-weight: normal;
-    font-style: normal;
-    background-color: #f2f2f2;
-}
-.profile-select option {
-    color: #333333;
-    font-weight: normal;
-    font-style: normal;
-    background-color: initial;
-}
-
-.nav-button-warning-badge {
-    pointer-events: none;
-    width: 12px;
-    height: 6px;
-    position: absolute;
-    right: calc(50% - 6px);
-    top: -8px;
-    z-index: 1;
-}
-.nav-button-warning-badge-inner,
-.nav-button-warning-badge-outer {
-    position: absolute;
-    left: 0;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    background-color: #edc75e;
-
-    --icon-image: url(/images/material-down-arrow.svg);
-    --icon-size: contain;
-
-    -webkit-mask-repeat: no-repeat;
-    -webkit-mask-position: center center;
-    -webkit-mask-mode: alpha;
-    -webkit-mask-size: var(--icon-size);
-    -webkit-mask-image: var(--icon-image);
-    mask-repeat: no-repeat;
-    mask-position: center center;
-    mask-mode: alpha;
-    mask-size: var(--icon-size);
-    mask-image: var(--icon-image);
-}
-.nav-button-warning-badge-inner {
-    margin: 1px 2px;
-}
-.nav-button-warning-badge-outer {
-    animation: nav-button-warning-badge-animation ease-in-out 2s alternate infinite;
-}
-@keyframes nav-button-warning-badge-animation {
-    0% { opacity: 1; background-color: #edc75e; }
-    100% { opacity: 1; background-color: #333333; }
-}
-
-.warning-badge {
-    position: relative;
-    width: var(--badge-size);
-    height: var(--badge-size);
-    margin: 0;
-    padding: 0;
-    background-color: var(--warning-color-light);
-    border-radius: 50%;
-    box-shadow: var(--shadow-vertical);
-}
-.warning-badge:not([hidden]) {
-    display: block;
-}
-.warning-badge>.icon {
-    display: block;
-    position: absolute;
-    left: 0;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    background-color: var(--warning-color);
-}
diff --git a/ext/bg/css/pitch-accents-preview.css b/ext/bg/css/pitch-accents-preview.css
deleted file mode 100644
index cda9977e..00000000
--- a/ext/bg/css/pitch-accents-preview.css
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2020-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-html {
-    background-color: transparent;
-    color: #333333;
-}
-html,
-body {
-    margin: 0;
-    padding: 0;
-    border: 0;
-    overflow: hidden;
-    width: 100%;
-    height: 100%;
-    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
-    font-size: 14px;
-    line-height: calc(20 / 14);
-}
-ul {
-    margin: 0;
-    padding: 0 0 0 1.5em;
-}
-li {
-    margin: 0.425em 0;
-}
-
-.content {
-    display: flex;
-    min-width: 100%;
-    min-height: 100%;
-    box-sizing: border-box;
-    padding: 0;
-    flex-flow: column nowrap;
-    align-items: center;
-    justify-content: center;
-}
-.content-body {
-    max-width: 100%;
-    width: 700px;
-    flex: 0 0 auto;
-    height: auto;
-}
diff --git a/ext/bg/css/popup-preview.css b/ext/bg/css/popup-preview.css
deleted file mode 100644
index 2faccc3f..00000000
--- a/ext/bg/css/popup-preview.css
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright (C) 2020-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-:root {
-    --animation-duration: 0s;
-}
-:root[data-loaded=true] {
-    --animation-duration: 0.25s;
-}
-
-html {
-    transition: background-color var(--animation-duration) linear 0s, color var(--animation-duration) linear 0s;
-    background-color: rgba(255, 255, 255, 0);
-    color: #333333;
-}
-html.dark {
-    color: #d4d4d4;
-    background-color: #1e1e1e;
-}
-html,
-body {
-    margin: 0;
-    padding: 0;
-    border: 0;
-    overflow: hidden;
-    width: 100%;
-    height: 100%;
-    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
-    font-size: 14px;
-}
-
-.content {
-    display: flex;
-    min-width: 100%;
-    min-height: 100%;
-    box-sizing: border-box;
-    padding: 1em;
-    flex-flow: column nowrap;
-    align-items: center;
-    justify-content: center;
-}
-.content-body {
-    max-width: 100%;
-    width: 400px;
-}
-.top-options {
-    max-width: 100%;
-    display: flex;
-    flex-flow: row nowrap;
-    align-items: center;
-}
-.top-options-left {
-    flex: 1 1 auto;
-}
-.top-options-right {
-    flex: 0 0 auto;
-}
-
-.example-text-container {
-    position: relative;
-}
-.example-text {
-    display: block;
-    width: 100%;
-    font-size: 24px;
-    line-height: 1.25em;
-    height: 1.25em;
-    box-sizing: border-box;
-    border: 1px solid rgba(221, 221, 221, 0);
-    margin: 0;
-    padding: 0;
-    outline: none;
-    color: inherit;
-    background-color: transparent;
-    white-space: pre;
-    transition: background-color var(--animation-duration) linear 0s, border-color var(--animation-duration) linear 0s;
-}
-.example-text:hover,
-.example-text-input {
-    border-color: #dddddd;
-}
-.example-text[hidden] {
-    display: none;
-}
-.example-text-input {
-    position: absolute;
-    left: 0;
-    top: 0;
-    right: 0;
-    bottom: 0;
-}
-.example-text-input:not([hidden])+.example-text {
-    visibility: hidden;
-}
-
-.popup-placeholder {
-    display: flex;
-    width: 100%;
-    height: 250px;
-    padding-top: 10px;
-    border: 1px solid rgba(0, 0, 0, 0);
-    flex-flow: column nowrap;
-    justify-content: center;
-}
-.placeholder-info {
-    flex: 0 1 auto;
-    visibility: hidden;
-    opacity: 0;
-    transition: opacity var(--animation-duration) linear 0s, visibility 0s linear var(--animation-duration);
-}
-.placeholder-info.placeholder-info-visible {
-    visibility: visible;
-    opacity: 1;
-    transition: opacity var(--animation-duration) linear 0s, visibility 0s linear 0s;
-}
-
-.theme-button {
-    display: inline-block;
-    margin-left: 0.5em;
-    text-decoration: none;
-    cursor: pointer;
-    white-space: nowrap;
-    line-height: 0;
-}
-.theme-button>input {
-    vertical-align: middle;
-    margin: 0 0.25em 0 0;
-    padding: 0;
-}
-.theme-button>span {
-    vertical-align: middle;
-}
-.theme-button:hover>span {
-    text-decoration: underline;
-}
diff --git a/ext/bg/css/settings.css b/ext/bg/css/settings.css
deleted file mode 100644
index 707de85a..00000000
--- a/ext/bg/css/settings.css
+++ /dev/null
@@ -1,442 +0,0 @@
-/*
- * Copyright (C) 2019-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-
-.help-block[hidden] {
-    display: none;
-}
-
-html:root:not([data-options-anki-enable=true]) #anki-general,
-html:root:not([data-options-general-debug-info=true]) .debug,
-html:root:not([data-options-general-show-advanced=true]) .options-advanced,
-html:root[data-options-general-show-advanced=true] .options-non-advanced,
-html:root:not([data-options-general-result-output-mode=merge]) #dictionary-main-group {
-    display: none;
-}
-
-.tab-content {
-    border-bottom: 1px #ddd solid;
-    border-left: 1px #ddd solid;
-    border-right: 1px #ddd solid;
-    padding: 10px;
-}
-
-.bottom-links {
-    padding-bottom: 1em;
-}
-
-.label-light {
-    font-weight: normal;
-}
-
-.form-control[data-invalid=true] {
-    border-color: #f00000;
-}
-
-.mouse-button {
-    padding-left: 10px;
-    padding-right: 10px;
-}
-.mouse-button[hidden] {
-    display: none;
-}
-.mouse-button-icon {
-    width: 20px;
-    height: 20px;
-    display: block;
-    background: url(/images/mouse.svg) no-repeat center center;
-    background-size: 20px 20px;
-}
-
-.condition {
-    display: flex;
-    -flex-wrap: wrap;
-}
-.profile-condition-input-container {
-    flex: 1 1 auto;
-}
-.profile-condition-line-break {
-    flex: 1 0 100%;
-    display: none;
-}
-.condition>.input-group-btn {
-    width: auto;
-}
-.condition>.profile-condition-prefix::after {
-    content: 'IF';
-}
-.condition:nth-child(n+2)>.profile-condition-prefix::after {
-    content: 'AND';
-}
-
-.profile-condition-prefix {
-    flex: 0 0 auto;
-}
-.profile-condition-prefix,
-.profile-condition-group-separator-label {
-    width: 60px;
-    text-align: center;
-}
-.profile-condition-group-separator-label {
-    padding: 6px 12px;
-    font-weight: bold;
-    display: inline-block;
-}
-.profile-condition-type,
-.profile-condition-operator {
-    width: auto;
-    text-align: center;
-    text-align-last: center;
-}
-
-.profile-condition-list>.condition>*:first-child,
-.audio-source-list>.audio-source>*:first-child {
-    border-bottom-left-radius: 0;
-}
-.profile-condition-list>.condition:nth-child(n+2)>*:first-child,
-.audio-source-list>.audio-source:nth-child(n+2)>*:first-child {
-    border-top-left-radius: 0;
-}
-.profile-condition-list>.condition:nth-child(n+2)>div:last-child>button,
-.audio-source-list>.audio-source:nth-child(n+2)>*:last-child>button {
-    border-top-right-radius: 0;
-}
-.profile-condition-list>.condition:nth-last-child(n+2)>div:last-child>button,
-.audio-source-list>.audio-source:nth-last-child(n+2)>*:last-child>button {
-    border-bottom-right-radius: 0;
-}
-.profile-condition-group-options>.profile-condition-add-button,
-.audio-source-options>.audio-source-add {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-}
-
-.profile-condition-groups>.profile-condition-group:last-child>.profile-condition-group-separator-label {
-    display: none;
-}
-
-.scan-input-list {
-    counter-reset: scan-input-id;
-}
-.scan-input-grid {
-    display: grid;
-    grid-template-columns: auto auto 1fr auto;
-    grid-template-rows: auto;
-    width: 100%;
-    margin-bottom: 8px;
-}
-.scan-input-index {
-    height: 100%;
-    width: 40px;
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-.scan-input-content-cell .form-control,
-.scan-input-content-cell button {
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-.scan-input-prefix-cell[data-property=include] {
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-.scan-input-prefix-cell[data-property=exclude] {
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-.scan-input-prefix-cell[data-property=types] {
-    grid-area: 3/2/3/2;
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-.scan-input-prefix-cell[data-property=options] {
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-.scan-input-content-cell[data-property=include] {
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-.scan-input-content-cell[data-property=exclude] {
-    grid-area: 2/3/2/3;
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-.scan-input-content-cell[data-property=types] {
-    grid-area: 3/3/3/3;
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-.scan-input-content-cell[data-property=options] {
-    grid-area: 4/3/4/3;
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-.scan-input-suffix-cell {
-    grid-area: 1/4/1/4;
-}
-.scan-input-index-cell {
-    grid-area: 1/1/5/1;
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-.scan-input-suffix-cell>button {
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-}
-.scan-input-input-cell-inner {
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-}
-.scan-input-input-cell-inner button {
-    padding-left: 10px;
-    padding-right: 10px;
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-.scan-input-input-cell-inner button>span {
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-.scan-input-suffix-cell>button {
-    border-top-left-radius: 0;
-    border-bottom-left-radius: 0;
-}
-.scan-input-input-cell-inner>.scan-input-type-list-container {
-    height: auto;
-    min-height: 34px;
-    border-bottom-right-radius: 4px;
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-    padding-bottom: 5px;
-}
-.scan-input-toggle {
-    font-weight: normal;
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-}
-.scan-input-toggle>input[type=checkbox] {
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-    padding: 0;
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-}
-.scan-input-toggle>span {
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-}
-.scan-input-type-list {
-    display: flex;
-    flex-flow: row wrap;
-    margin-left: -1em;
-}
-.scan-input-type {
-    margin-left: 1em;
-    white-space: nowrap;
-}
-.scan-input:not([data-show-advanced=true]) .scan-input-prefix-cell[data-property=options],
-.scan-input:not([data-show-advanced=true]) .scan-input-content-cell[data-property=options] {
-    display: none;
-}
-.scan-input[data-show-advanced=true] .scan-input-content-cell[data-property=types] .scan-input-input-cell-inner>.scan-input-type-list-container {
-    border-bottom-right-radius: 0;
-}
-
-.generic-input-list {
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-}
-.generic-input-list .generic-input-prefix {
-    flex: 0 0 auto;
-    width: 39px;
-    text-align: center;
-}
-.generic-input-list .generic-input-prefix::after {
-    counter-increment: generic-input-id;
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-}
-
-#custom-popup-css,
-#custom-popup-outer-css,
-#anki-card-templates-textarea {
-    width: 100%;
-    min-height: 34px;
-    line-height: 18px;
-    resize: vertical;
-    font-family: 'Courier New', Courier, monospace;
-    white-space: pre;
-    height: 240px;
-    border-bottom-left-radius: 0;
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-#anki-card-templates-reset-button {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-}
-
-.btn-inner-middle {
-    vertical-align: middle;
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-.storage-button-inner {
-    pointer-events: none;
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-input[type=checkbox].storage-button-checkbox {
-    margin: 0 0.375em 0 0;
-    padding: 0;
-}
-
-#settings-popup-preview-frame {
-    background-color: transparent;
-    border: none;
-    margin: 0;
-    padding: 0;
-    width: 100%;
-    height: 320px;
-}
-
-.dictionary-delete-table {
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-.dictionary-delete-table>*:first-child {
-    display: table-cell;
-    vertical-align: middle;
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-}
-.dictionary-delete-table>*:nth-child(n+2) {
-    display: table-cell;
-    width: 100%;
-    vertical-align: middle;
-}
-.dictionary-delete-table .progress {
-    margin: 0;
-}
-.dictionary-delete-table>*[hidden] {
-    display: none;
-}
-
-#anki-error-message-details-toggle {
-    display: inline-block;
-    margin-left: 0.5em;
-    cursor: pointer;
-    font-weight: bold;
-}
-
-#anki-error-message-details {
-    margin-top: 0.25em;
-    font-family: 'Courier New', Courier, monospace;
-    white-space: pre;
-    overflow-x: auto;
-}
-
-[data-show-for-browser],
-[data-show-for-operating-system] {
-    display: none;
-}
-
-html:root[data-browser=edge] [data-show-for-browser~=edge],
-html:root[data-browser=edge-legacy] [data-show-for-browser~=edge-legacy],
-html:root[data-browser=chrome] [data-show-for-browser~=chrome],
-html:root[data-browser=firefox] [data-show-for-browser~=firefox],
-html:root[data-browser=firefox-mobile] [data-show-for-browser~=firefox-mobile],
-html:root[data-operating-system=mac] [data-show-for-operating-system~=mac],
-html:root[data-operating-system=win] [data-show-for-operating-system~=win],
-html:root[data-operating-system=android] [data-show-for-operating-system~=android],
-html:root[data-operating-system=cros] [data-show-for-operating-system~=cros],
-html:root[data-operating-system=linux] [data-show-for-operating-system~=linux],
-html:root[data-operating-system=openbsd] [data-show-for-operating-system~=openbsd] {
-    display: initial;
-}
-
-html:root[data-browser=edge] [data-hide-for-browser~=edge],
-html:root[data-browser=edge-legacy] [data-hide-for-browser~=edge-legacy],
-html:root[data-browser=chrome] [data-hide-for-browser~=chrome],
-html:root[data-browser=firefox] [data-hide-for-browser~=firefox],
-html:root[data-browser=firefox-mobile] [data-hide-for-browser~=firefox-mobile],
-html:root[data-operating-system=mac] [data-hide-for-operating-system~=mac],
-html:root[data-operating-system=win] [data-hide-for-operating-system~=win],
-html:root[data-operating-system=android] [data-hide-for-operating-system~=android],
-html:root[data-operating-system=cros] [data-hide-for-operating-system~=cros],
-html:root[data-operating-system=linux] [data-hide-for-operating-system~=linux],
-html:root[data-operating-system=openbsd] [data-hide-for-operating-system~=openbsd] {
-    display: none;
-}
-
-#dictionary-list {
-    display: flex;
-    flex-flow: column;
-}
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-.dictionary-details-container {
-    margin: 0.5em 0;
-}
-
-.dictionary-details-toggle-link {
-    cursor: pointer;
-}
-
-.dictionary-details {
-    margin-left: 1em;
-}
-
-.dictionary-details-table {
-    display: table;
-    width: 100%;
-}
-
-.dictionary-details-entry {
-    display: table-row;
-}
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-.dictionary-details-entry+.dictionary-details-entry>* {
-    padding-top: 0.25em;
-}
-
-.dictionary-details-entry-label {
-    display: table-cell;
-    font-weight: bold;
-    white-space: nowrap;
-    padding-right: 0.5em;
-}
-
-.dictionary-details-entry-info {
-    display: table-cell;
-    white-space: pre-line;
-}
-
-
-@media screen and (max-width: 740px) {
-    .col-xs-6 {
-        float: none;
-        width: 100%;
-    }
-    .col-xs-6+.col-xs-6 {
-        margin-top: 15px;
-    }
-}
-
-@media screen and (max-width: 600px) {
-    .condition {
-        flex-wrap: wrap;
-    }
-    .profile-condition-input-container {
-        order: 2;
-    }
-    .profile-condition-line-break {
-        display: block;
-        order: 1;
-    }
-}
diff --git a/ext/bg/css/settings2.css b/ext/bg/css/settings2.css
deleted file mode 100644
index 4f487d74..00000000
--- a/ext/bg/css/settings2.css
+++ /dev/null
@@ -1,2104 +0,0 @@
-/*
- * Copyright (C) 2020-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-/* Variables */
-:root {
-    --padding: 10px;
-    --padding-negative: calc(var(--padding) * -1);
-    --main-content-size: 700px;
-    --main-content-padding: 10px;
-    --sidebar-size: 200px;
-    --preview-sidebar-expanded-width: 400px;
-    --shadow-vertical: 0 1px 4px 0 var(--shadow-color), 0 2px 2px 0 var(--shadow-color);
-    --shadow-vertical-top: 0 -1px 4px 0 var(--shadow-color), 0 -2px 2px 0 var(--shadow-color);
-    --shadow-left: -1px 0 4px 0 var(--shadow-color), -2px 0 2px 0 var(--shadow-color);
-    --shadow-right: 1px 0 4px 0 var(--shadow-color), 2px 0 2px 0 var(--shadow-color);
-    --settings-group-horizontal-margin: 0;
-    --settings-group-inner-vertical-margin: 0.75em;
-    --settings-group-inner-vertical-padding: 0.85em;
-    --settings-group-inner-horizontal-padding: 1.5em;
-    --settings-group-inner-horizontal-padding-half: calc(var(--settings-group-inner-horizontal-padding) * 0.5);
-    --settings-group-inner-horizontal-padding-half-wrappable: var(--settings-group-inner-horizontal-padding-half);
-    --settings-group-inner-horizontal-padding-fourth: calc(var(--settings-group-inner-horizontal-padding) * 0.25);
-    --settings-group-border-radius: 0.3em;
-    --settings-group-right-max-height: 40px;
-    --settings-group-wrap: nowrap;
-    --show-preview-label-height: 40px;
-
-    --font-size-no-units: 14;
-    --font-size: calc(1px * var(--font-size-no-units));
-    --font-size-small: 12px;
-    --line-height-default: calc(20 / var(--font-size-no-units));
-    --outline-item-height: 40px;
-    --outline-item-icon-size: 32px;
-    --input-short-width: calc(var(--input-width-large) / 2 - var(--padding) / 2);
-    --input-short-height: 24px;
-    --fab-button-size: 56px;
-    --fab-button-padding: 16px;
-    --modal-width: 600px;
-    --modal-height: 400px;
-    --modal-width-small: 400px;
-    --modal-height-small: 200px;
-    --modal-transition-offset: -64px;
-    --badge-size: 16px;
-
-    --link-color: var(--accent-color);
-    --link-color-hover: var(--accent-color-dark);
-    --separator-color1: #cccccc;
-    --separator-color2: #eeeeee;
-    --outline-item-background-color: rgba(13, 13, 13, 0);
-    --outline-item-background-color-hover: rgba(13, 13, 13, 0.15);
-    --warning-color: #96751c;
-    --warning-color-light: #edc75e;
-    --dim-background-color: rgba(0, 0, 0, 0.5);
-    --content-dimmer-color: rgba(0, 0, 0, 0.1);
-
-    --modal-padding-horizontal: 1em;
-    --modal-padding-vertical: 0.625em;
-    --modal-padding-vertical-half: calc(var(--modal-padding-vertical) * 0.5);
-    --modal-button-spacing: 0.625em;
-}
-:root:not([data-loaded=true]) {
-    --animation-duration: 0s;
-}
-:root[data-theme=dark] {
-    --separator-color1: #333333;
-    --separator-color2: #222222;
-}
-
-
-@media (max-width: 700px) {
-    :root {
-        --settings-group-horizontal-margin: calc(var(--main-content-padding) * -1);
-        --settings-group-inner-horizontal-padding: var(--main-content-padding);
-        --settings-group-border-radius: 0;
-    }
-}
-
-@media (max-width: 400px) {
-    :root {
-        --settings-group-horizontal-margin: calc(var(--main-content-padding) * -1);
-        --settings-group-inner-horizontal-padding: var(--main-content-padding);
-        --settings-group-inner-horizontal-padding-half-wrappable: var(--settings-group-inner-horizontal-padding);
-        --settings-group-wrap: wrap;
-    }
-}
-
-
-/* Common styles */
-:root {
-    height: 100%;
-}
-body {
-    background-color: var(--background-color);
-    margin: 0;
-    padding: 0;
-    border: none;
-    font-size: var(--font-size);
-    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
-    color: var(--text-color);
-    line-height: var(--line-height-default);
-    height: 100%;
-    overflow: hidden;
-}
-p {
-    margin: 0;
-}
-ol,
-ul {
-    margin: 0;
-    padding: 0 0 0 1.5em;
-}
-p+p,
-p+ol,
-p+ul,
-ol+p,
-ol+ol,
-ol+ul,
-ul+p,
-ul+ol,
-ul+ul,
-li {
-    margin: 0.425em 0;
-}
-a {
-    color: var(--link-color);
-    text-decoration: none;
-    cursor: pointer;
-}
-a:hover {
-    color: var(--link-color-hover);
-    text-decoration: underline;
-}
-code {
-    font-family: 'Courier New', Courier, monospace;
-    background-color: var(--input-background-color);
-}
-label {
-    cursor: pointer;
-}
-pre {
-    white-space: pre-wrap;
-    margin: 0;
-}
-
-
-/* Text styles */
-.light {
-    color: var(--text-color-light2);
-}
-.warning-text {
-    color: var(--warning-color);
-}
-.danger-text {
-    color: var(--danger-color);
-}
-
-
-/* Headings */
-h1 {
-    font-size: 2em;
-    line-height: 1.5em;
-    margin: 0;
-    padding: 0.25em 0 0;
-    font-weight: normal;
-    box-sizing: border-box;
-    border-bottom: var(--thin-border-size) solid var(--separator-color1);
-}
-h2 {
-    font-size: 1.125em;
-    font-weight: normal;
-    line-height: 1.5;
-    padding: 0.9em 0;
-    margin: 0.85em 0 0;
-}
-h3 {
-    font-size: 1em;
-    font-weight: bold;
-    line-height: 1.5;
-    margin: 1.5em 0 0.85em;
-}
-.heading-container {
-    display: flex;
-    flex-flow: row nowrap;
-    width: 100%;
-    align-items: baseline;
-}
-.heading-container a {
-    color: inherit;
-    transition: background-color var(--animation-duration) ease-in-out;
-}
-.heading-container a:hover {
-    color: var(--link-color-hover);
-    text-decoration: none;
-}
-.heading-container-icon {
-    flex: 0 0 auto;
-    align-self: center;
-    margin: 0.85em 0.75em 0 0;
-}
-.heading-container-icon>.icon {
-    display: block;
-    background-color: var(--button-icon-color);
-    width: var(--outline-item-icon-size);
-    height: var(--outline-item-icon-size);
-}
-.heading-container-left {
-    flex: 1 1 auto;
-}
-.heading-container-right {
-    flex: 0 0 auto;
-}
-.heading-sub-text {
-    font-size: calc(1em / 1.125);
-    color: var(--text-color-light2);
-}
-a.heading-link-light {
-    color: var(--text-color-light2);
-}
-.heading-description,
-.heading-description.more {
-    padding: 0;
-    margin: 0 0 1.0125em;
-}
-
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-/* Content layout */
-.content-outer {
-    display: flex;
-    flex-flow: column nowrap;
-    width: 100%;
-    height: 100%;
-}
-.content {
-    flex: 1 0 auto;
-    width: 100%;
-    height: 100%;
-    display: flex;
-    overflow-x: auto;
-    overflow-y: scroll;
-    position: relative;
-    align-items: stretch;
-    justify-content: center;
-}
-.content-left {
-    flex: 1 1 0;
-    position: sticky;
-    top: 0;
-    z-index: 5;
-}
-.content-center {
-    flex: 1 1 auto;
-    width: var(--main-content-size);
-    padding: 0 var(--main-content-padding);
-    max-width: var(--main-content-size);
-    box-sizing: border-box;
-}
-.content-right {
-    flex: 1 1 0;
-    position: sticky;
-    top: 0;
-    z-index: 2;
-}
-#content-scroll-focus {
-    opacity: 0;
-    margin: 0;
-    padding: 0;
-    outline: none;
-    background-color: transparent;
-    display: inline;
-    width: 0;
-    height: 0;
-    line-height: 0;
-    user-select: none;
-}
-#content-scroll-focus::-moz-focus-inner {
-    border: 0;
-}
-.content-dimmer {
-    display: block;
-    visibility: hidden;
-    position: fixed;
-    left: 0;
-    top: 0;
-    bottom: 0;
-    right: 0;
-    z-index: 3;
-    opacity: 0;
-    background-color: var(--content-dimmer-color);
-    pointer-events: none;
-    transition: opacity var(--animation-duration) ease-in-out, visibility var(--animation-duration) ease-in-out;
-}
-
-
-/* More details toggle */
-.more-toggle {
-    cursor: pointer;
-}
-.more-toggle.more-only[data-expanded=true],
-.more-toggle.no-more-only:not([data-expanded=true]) {
-    display: none;
-}
-.more {
-    margin-top: 0.85em;
-}
-
-
-/* Footer */
-.footer-padding {
-    height: 4.5em;
-}
-
-
-/* Left sidebar */
-.sidebar {
-    position: absolute;
-    left: 0;
-    top: 0;
-    bottom: 0;
-    width: var(--sidebar-size);
-    max-width: 100%;
-    background-color: var(--background-color);
-    transition: max-width var(--animation-duration) ease-in;
-}
-.sidebar:hover {
-    max-width: var(--sidebar-size);
-    transition:
-        max-width var(--animation-duration) ease-out 0.5s,
-        box-shadow var(--animation-duration) ease-out;
-}
-.sidebar-inner {
-    width: 100%;
-    height: 100%;
-    display: flex;
-    justify-content: space-between;
-    flex-flow: column nowrap;
-    overflow-x: hidden;
-    overflow-y: auto;
-    overscroll-behavior: contain;
-    transition: box-shadow var(--animation-duration) ease-out;
-}
-.sidebar-top {
-    position: sticky;
-    top: 0;
-    height: 2em;
-    z-index: 1;
-}
-.sidebar-top-link {
-    display: block;
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-    height: 100%;
-    line-height: 2em;
-    padding: 0 1.5em;
-    opacity: 1;
-    visibility: visible;
-    transition: opacity var(--animation-duration2) ease-in-out, visibility var(--animation-duration2);
-}
-.sidebar-top-link[hidden] {
-    display: block;
-    opacity: 0;
-    visibility: hidden;
-}
-.sidebar-top-link:not(:hover) {
-    color: var(--text-color);
-}
-.sidebar-top-icon {
-    display: inline-block;
-    background-repeat: no-repeat;
-    background-size: 12px 12px;
-    width: 12px;
-    height: 12px;
-    background-image: url(/images/up-arrow.svg);
-    margin-right: calc(var(--padding) * 0.5);
-}
-.sidebar-body {
-    padding: 2em 0;
-}
-.sidebar-bottom {
-    padding-bottom: 2em;
-}
-.outline-item {
-    display: flex;
-    align-items: center;
-    width: 100%;
-    height: var(--outline-item-height);
-    line-height: var(--outline-item-height);
-    padding: 0 1.5em;
-    cursor: pointer;
-    background-color: var(--outline-item-background-color);
-    transition: background-color var(--animation-duration) ease-in-out;
-}
-.outline-item,
-.outline-item:hover {
-    text-decoration: none;
-    color: var(--text-color);
-}
-.outline-item:hover {
-    background-color: var(--outline-item-background-color-hover);
-}
-.outline-item-left {
-    display: inline-block;
-    width: var(--outline-item-icon-size);
-    height: var(--outline-item-icon-size);
-    min-width: var(--outline-item-icon-size);
-    min-height: var(--outline-item-icon-size);
-    position: relative;
-}
-.outline-item-left-warning-badge {
-    position: absolute;
-    right: calc(var(--outline-item-icon-size) * -0.125);
-    top: calc(var(--outline-item-icon-size) * -0.125);
-}
-.outline-item-left-warning-badge:not([hidden]) {
-    display: block;
-}
-.outline-item-label {
-    white-space: nowrap;
-    padding-left: var(--padding);
-}
-.outline-item-icon {
-    display: block;
-    background-color: var(--button-icon-color);
-    width: 100%;
-    height: 100%;
-}
-
-
-/* Preview sidebar */
-.preview-sidebar {
-    display: flex;
-    flex-flow: column nowrap;
-    align-content: center;
-    justify-content: center;
-    position: absolute;
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-/* Conditional styles */
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-}
-
-.warning-badge {
-    position: relative;
-    width: var(--badge-size);
-    height: var(--badge-size);
-    margin: 0;
-    padding: 0;
-    background-color: var(--warning-color-light);
-    border-radius: 50%;
-    box-shadow: var(--shadow-vertical);
-}
-.warning-badge:not([hidden]) {
-    display: block;
-}
-.warning-badge>.icon {
-    display: block;
-    position: absolute;
-    left: 0;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    background-color: var(--warning-color);
-}
-
-
-/* Generic layouts */
-.margin-above {
-    margin-top: 0.85em;
-}
-.margin-left {
-    margin-left: 0.85em;
-}
-
-.horizontal-flex {
-    display: flex;
-    flex-flow: row wrap;
-    margin-left: -0.375em;
-    align-items: center;
-    align-content: flex-start;
-    justify-content: flex-start;
-}
-.horizontal-flex>* {
-    margin-left: 0.375em;
-}
-.horizontal-flex-fill {
-    flex-grow: 1;
-}
-
-.generic-list {
-    counter-reset: generic-list-index;
-}
-.generic-list-index-prefix::after {
-    counter-increment: generic-list-index;
-    content: counter(generic-list-index);
-}
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-.flex-row-nowrap {
-    display: flex;
-    flex-flow: row nowrap;
-    align-items: center;
-    width: 100%;
-}
-.flex-row-nowrap.right {
-    justify-content: flex-end;
-}
-.flex-row-wrap {
-    display: flex;
-    flex-flow: row wrap;
-    align-items: center;
-}
-.flex-margin-left {
-    margin-left: 0.5em;
-}
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-.flex-column-nowrap {
-    display: flex;
-    flex-flow: column nowrap;
-    align-items: flex-start;
-    width: 100%;
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-.flex-column-nowrap-spaced>* {
-    margin-top: 0.25em;
-}
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-.flex-label {
-    display: flex;
-    flex-flow: row nowrap;
-    align-items: center;
-}
-.flex-label>span {
-    margin-left: 0.375em;
-}
-.flex-label.no-wrap>span {
-    white-space: nowrap;
-}
-
-.no-wrap {
-    white-space: nowrap;
-}
-
-
-/* Environment-specific display */
-:root[data-browser=edge] [data-show-for-browser]:not([data-show-for-browser~=edge]),
-:root[data-browser=edge-legacy] [data-show-for-browser]:not([data-show-for-browser~=edge-legacy]),
-:root[data-browser=chrome] [data-show-for-browser]:not([data-show-for-browser~=chrome]),
-:root[data-browser=firefox] [data-show-for-browser]:not([data-show-for-browser~=firefox]),
-:root[data-browser=firefox-mobile] [data-show-for-browser]:not([data-show-for-browser~=firefox-mobile]),
-:root[data-browser=edge] [data-hide-for-browser~=edge],
-:root[data-browser=edge-legacy] [data-hide-for-browser~=edge-legacy],
-:root[data-browser=chrome] [data-hide-for-browser~=chrome],
-:root[data-browser=firefox] [data-hide-for-browser~=firefox],
-:root[data-browser=firefox-mobile] [data-hide-for-browser~=firefox-mobile] {
-    display: none;
-}
-
-:root[data-os=mac] [data-show-for-os]:not([data-show-for-os~=mac]),
-:root[data-os=win] [data-show-for-os]:not([data-show-for-os~=win]),
-:root[data-os=android] [data-show-for-os]:not([data-show-for-os~=android]),
-:root[data-os=cros] [data-show-for-os]:not([data-show-for-os~=cros]),
-:root[data-os=linux] [data-show-for-os]:not([data-show-for-os~=linux]),
-:root[data-os=openbsd] [data-show-for-os]:not([data-show-for-os~=openbsd]),
-:root[data-os=mac] [data-hide-for-os~=mac],
-:root[data-os=win] [data-hide-for-os~=win],
-:root[data-os=android] [data-hide-for-os~=android],
-:root[data-os=cros] [data-hide-for-os~=cros],
-:root[data-os=linux] [data-hide-for-os~=linux],
-:root[data-os=openbsd] [data-hide-for-os~=openbsd] {
-    display: none;
-}
-
-:root[data-manifest-version='2'] [data-show-for-manifest-version]:not([data-show-for-manifest-version~='2']),
-:root[data-manifest-version='3'] [data-show-for-manifest-version]:not([data-show-for-manifest-version~='3']),
-:root[data-manifest-version='2'] [data-hide-for-manifest-version~='2'],
-:root[data-manifest-version='3'] [data-hide-for-manifest-version~='3'] {
-    display: none;
-}
-
-/* Media-specific styles */
-@media (max-width: 800px), (hover: none) and (max-width: 1100px) {
-    .fab-container {
-        visibility: visible;
-    }
-}
-@media (max-width: 700px) {
-    .sidebar-inner {
-        box-shadow: var(--shadow-right);
-    }
-}