Merge pull request #226 from toasted-nutbread/settings-style

Style updates and fixes

7 files changed, 253 insertions, 145 deletions

diff --git a/README.md b/README.md
index 40576a5a..b05a050e 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ primary language is not English, you may consider also importing the English ver
 Yomichan supports the use of custom dictionaries including the esoteric but popular
 [EPWING](https://ja.wikipedia.org/wiki/EPWING) format. They were often utilized in portable electronic dictionaries
 similar to the ones pictured below. These dictionaries are often sought after by language learners for their correctness
-and excellent coverage of the Japanese language. 
+and excellent coverage of the Japanese language.
 
 Unfortunately, as most of the dictionaries released in this format are proprietary I am unable to bundle them with
 Yomichan. You will need to procure these dictionaries yourself and import them with [Yomichan
@@ -252,16 +252,16 @@ tmpl/*.html -f ext/bg/js/templates.js` from the project's base directory to comp
 
 ### Dependencies ###
 
-Yomichan uses several third-party libraries to function. Below are links to homepages and snapshots of the exact
+Yomichan uses several third-party libraries to function. Below are links to homepages, snapshots, and licenses of the exact
 versions packaged.
 
-*   Bootstrap Toggle: [homepage](https://www.bootstraptoggle.com/) - [snapshot](https://github.com/minhur/bootstrap-toggle/archive/b76c094.zip)
-*   Bootstrap: [homepage](https://getbootstrap.com/) - [snapshot](https://github.com/twbs/bootstrap/releases/download/v3.3.7/bootstrap-3.3.7-dist.zip)
-*   Dexie: [homepage](https://dexie.org/) - [snapshot](https://github.com/dfahlander/Dexie.js/archive/v2.0.0-beta.10.zip)
-*   Handlebars: [homepage](https://handlebarsjs.com/) - [snapshot](http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars.min-714a4c4.js)
-*   JQuery: [homepage](https://blog.jquery.com/) - [snapshot](https://code.jquery.com/jquery-3.2.1.min.js)
-*   JSZip: [homepage](https://stuk.github.io/jszip/) - [snapshot](https://raw.githubusercontent.com/Stuk/jszip/de7f52fbcba485737bef7923a83f0fad92d9f5bc/dist/jszip.min.js)
-*   WanaKana: [homepage](https://wanakana.com/) - [snapshot](https://raw.githubusercontent.com/WaniKani/WanaKana/7c4a052/gh-pages/assets/js/wanakana.min.js)
+*   Bootstrap: [homepage](https://getbootstrap.com/) - [snapshot](https://github.com/twbs/bootstrap/releases/download/v3.3.7/bootstrap-3.3.7-dist.zip) - [license](https://github.com/twbs/bootstrap/blob/v3.3.7/LICENSE)
+*   Bootstrap Toggle: [homepage](https://www.bootstraptoggle.com/) - [snapshot](https://github.com/minhur/bootstrap-toggle/archive/b76c094.zip) - [license](https://github.com/minhur/bootstrap-toggle/blob/2.2.0/LICENSE)
+*   Dexie: [homepage](https://dexie.org/) - [snapshot](https://github.com/dfahlander/Dexie.js/archive/v2.0.0-beta.10.zip) - [license](https://github.com/dfahlander/Dexie.js/blob/v2.0.0-beta.10/LICENSE)
+*   Handlebars: [homepage](https://handlebarsjs.com/) - [snapshot](http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars.min-714a4c4.js) - [license](https://github.com/wycats/handlebars.js/blob/v4.0.6/LICENSE)
+*   jQuery: [homepage](https://blog.jquery.com/) - [snapshot](https://code.jquery.com/jquery-3.2.1.min.js) - [license](https://github.com/jquery/jquery/blob/3.2.1/LICENSE.txt)
+*   JSZip: [homepage](https://stuk.github.io/jszip/) - [snapshot](https://raw.githubusercontent.com/Stuk/jszip/de7f52fbcba485737bef7923a83f0fad92d9f5bc/dist/jszip.min.js) - [license](https://github.com/Stuk/jszip/blob/v3.1.3/LICENSE.markdown)
+*   WanaKana: [homepage](https://wanakana.com/) - [snapshot](https://raw.githubusercontent.com/WaniKani/WanaKana/7c4a052/gh-pages/assets/js/wanakana.min.js) - [license](https://github.com/WaniKani/WanaKana/blob/2.2.3/LICENSE)
 
 ## Frequently Asked Questions ##
 
diff --git a/ext/bg/context.html b/ext/bg/context.html
index 198ccd42..51346838 100644
--- a/ext/bg/context.html
+++ b/ext/bg/context.html
@@ -14,20 +14,20 @@
 
             .btn-group {
                 display: flex;
+                margin-top: 10px;
+                white-space: nowrap;
             }
         </style>
     </head>
     <body>
-        <p>
+        <div>
             <input type="checkbox" id="enable-search">
-        </p>
-        <p>
-            <div class="btn-group" style="white-space: nowrap">
-                <button type="button" id="open-search" title="Search (Alt + Insert)" class="btn btn-default btn-xs glyphicon glyphicon-search"></button>
-                <button type="button" id="open-options" title="Options" class="btn btn-default btn-xs glyphicon glyphicon-wrench"></button>
-                <button type="button" id="open-help" title="Help" class="btn btn-default btn-xs glyphicon glyphicon-question-sign"></button>
-            </div>
-        </p>
+        </div>
+        <div class="btn-group">
+            <button type="button" id="open-search" title="Search (Alt + Insert)" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-search"></span></button>
+            <button type="button" id="open-options" title="Options" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-wrench"></span></button>
+            <button type="button" id="open-help" title="Help" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-question-sign"></span></button>
+        </div>
 
         <script src="/mixed/lib/jquery.min.js"></script>
         <script src="/mixed/lib/bootstrap-toggle/bootstrap-toggle.min.js"></script>
diff --git a/ext/bg/css/settings.css b/ext/bg/css/settings.css
new file mode 100644
index 00000000..12bbe8a8
--- /dev/null
+++ b/ext/bg/css/settings.css
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2019  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+#anki-spinner, #anki-general, #anki-error,
+#dict-spinner, #dict-error, #dict-warning, #dict-purge, #dict-import-progress,
+#debug, .options-advanced, .storage-hidden, #storage-spinner {
+    display: none;
+}
+
+.tab-content {
+    border-bottom: 1px #ddd solid;
+    border-left: 1px #ddd solid;
+    border-right: 1px #ddd solid;
+    padding: 10px;
+}
+
+#field-templates {
+    font-family: monospace;
+    overflow-x: hidden;
+    white-space: pre;
+}
+
+.bottom-links {
+    padding-bottom: 1em;
+}
+
+.label-light {
+    font-weight: normal;
+}
+
+.form-control.is-invalid {
+    border-color: #f00000;
+}
+
+.condition {
+    display: flex;
+    -flex-wrap: wrap;
+}
+.condition-input {
+    flex: 1 1 auto;
+}
+.condition-line-break {
+    flex: 1 0 100%;
+    display: none;
+}
+.condition>.input-group-btn {
+    width: auto;
+}
+.condition>.condition-prefix:after {
+    content: "IF";
+}
+.condition:nth-child(n+2)>.condition-prefix:after {
+    content: "AND";
+}
+
+.input-group .condition-prefix {
+    flex: 0 0 auto;
+}
+.input-group .condition-prefix,
+.input-group .condition-group-separator-label {
+    width: 60px;
+    text-align: center;
+}
+.input-group .condition-group-separator-label {
+    padding: 6px 12px;
+    font-weight: bold;
+    display: inline-block;
+}
+.input-group .condition-type,
+.input-group .condition-operator {
+    width: auto;
+    text-align: center;
+    text-align-last: center;
+}
+
+.condition-group>.condition>div:first-child {
+    border-bottom-left-radius: 0;
+}
+.condition-group>.condition:nth-child(n+2)>div:first-child {
+    border-top-left-radius: 0;
+}
+.condition-group>.condition:nth-child(n+2)>div:last-child>button {
+    border-top-right-radius: 0;
+}
+.condition-group>.condition:nth-last-child(n+2)>div:last-child>button {
+    border-bottom-right-radius: 0;
+}
+.condition-group-options>.condition-add {
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+}
+
+.condition-groups>*:last-of-type {
+    display: none;
+}
+
+#custom-popup-css {
+    width: 100%;
+    min-height: 34px;
+    height: 96px;
+    resize: vertical;
+    font-family: 'Courier New', Courier, monospace;
+    white-space: pre;
+}
+
+[data-show-for-browser] {
+    display: none;
+}
+
+[data-browser=edge] [data-show-for-browser~=edge],
+[data-browser=chrome] [data-show-for-browser~=chrome],
+[data-browser=firefox] [data-show-for-browser~=firefox],
+[data-browser=firefox-mobile] [data-show-for-browser~=firefox-mobile] {
+    display: initial;
+}
+
+@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;
+    }
+    .condition-input {
+        order: 2;
+    }
+    .condition-line-break {
+        display: block;
+        order: 1;
+    }
+}
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index a0fe7c70..c85cc8a4 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -151,6 +151,7 @@ async function formWrite(options) {
 function formSetupEventListeners() {
     $('#dict-purge-link').click(utilAsync(onDictionaryPurge));
     $('#dict-file').change(utilAsync(onDictionaryImport));
+    $('#dict-file-button').click(onDictionaryImportButtonClick);
 
     $('#field-templates-reset').click(utilAsync(onAnkiFieldTemplatesReset));
     $('input, select, textarea').not('.anki-model').not('.profile-form *').change(utilAsync(onFormOptionsChanged));
@@ -240,6 +241,8 @@ async function onFormOptionsChanged(e) {
 }
 
 async function onReady() {
+    showExtensionInformation();
+
     formSetupEventListeners();
     await profileOptionsSetup();
 
@@ -446,6 +449,11 @@ async function onDictionaryPurge(e) {
     }
 }
 
+function onDictionaryImportButtonClick() {
+    const dictFile = document.querySelector('#dict-file');
+    dictFile.click();
+}
+
 async function onDictionaryImport(e) {
     const dictFile = $('#dict-file');
     const dictControls = $('#dict-importer').hide();
@@ -741,3 +749,16 @@ function storageSpinnerShow(show) {
         spinner.hide();
     }
 }
+
+
+/*
+ * Information
+ */
+
+function showExtensionInformation() {
+    const node = document.getElementById('extension-info');
+    if (node === null) { return; }
+
+    const manifest = chrome.runtime.getManifest();
+    node.textContent = `${manifest.name} v${manifest.version}`;
+}
diff --git a/ext/bg/legal.html b/ext/bg/legal.html
index 28c7fb21..26ac033d 100644
--- a/ext/bg/legal.html
+++ b/ext/bg/legal.html
@@ -8,10 +8,10 @@
         <link rel="stylesheet" type="text/css" href="/mixed/lib/bootstrap/css/bootstrap-theme.min.css">
     </head>
     <body>
-        <div class="container-fluid">
+        <div class="container">
             <h3>Yomichan License</h3>
 <pre>
-Copyright (C) 2016-2017  Alex Yatskov
+Copyright (C) 2016-2019  Alex Yatskov
 
 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
@@ -28,10 +28,20 @@ along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.
 </pre>
             <h3>EDRDG License</h3>
 <pre>
-This package uses the <a href="http://www.csse.monash.edu.au/~jwb/edict.html">EDICT</a> and <a href="http://www.csse.monash.edu.au/~jwb/kanjidic.html">KANJIDIC</a> dictionary files. These files are
-the property of the <a href="http://www.edrdg.org/"> Electronic Dictionary Research and Development Group</a>,
-and are used in conformance with the Group's <a href="http://www.edrdg.org/edrdg/licence.html">licence</a>.
+This package uses the <a href="https://www.edrdg.org/jmdict/edict.html">EDICT</a> and <a href="https://www.edrdg.org/wiki/index.php/KANJIDIC_Project">KANJIDIC</a> dictionary files. These files are
+the property of the <a href="https://www.edrdg.org/">Electronic Dictionary Research and Development Group</a>,
+and are used in conformance with the Group's <a href="https://www.edrdg.org/edrdg/licence.html">licence</a>.
 </pre>
+            <h3>Third-Party Software Licenses</h3>
+            <ul>
+                <li><a href="https://github.com/twbs/bootstrap/blob/v3.3.7/LICENSE" target="_blank" rel="noopener">Bootstrap v3.3.7</a></li>
+                <li><a href="https://github.com/minhur/bootstrap-toggle/blob/2.2.0/LICENSE" target="_blank" rel="noopener">Bootstrap Toggle v2.2.0</a></li>
+                <li><a href="https://github.com/dfahlander/Dexie.js/blob/v2.0.0-beta.10/LICENSE" target="_blank" rel="noopener">Dexie v2.0.0-beta.10</a></li>
+                <li><a href="https://github.com/wycats/handlebars.js/blob/v4.0.6/LICENSE" target="_blank" rel="noopener">Handlebars v4.0.6</a></li>
+                <li><a href="https://github.com/jquery/jquery/blob/3.2.1/LICENSE.txt" target="_blank" rel="noopener">jQuery v3.2.1</a></li>
+                <li><a href="https://github.com/Stuk/jszip/blob/v3.1.3/LICENSE.markdown" target="_blank" rel="noopener">JSZip v3.1.3</a></li>
+                <li><a href="https://github.com/WaniKani/WanaKana/blob/2.2.3/LICENSE" target="_blank" rel="noopener">WanaKana v2.2.3</a></li>
+            </ul>
         </div>
     </div>
 </body>
diff --git a/ext/bg/search.html b/ext/bg/search.html
index 121b477c..668b2436 100644
--- a/ext/bg/search.html
+++ b/ext/bg/search.html
@@ -9,7 +9,7 @@
         <link rel="stylesheet" type="text/css" href="/mixed/css/display.css">
     </head>
     <body>
-        <div class="container-fluid">
+        <div class="container">
             <div id="intro" style="overflow: hidden;">
                 <div class="page-header">
                     <h1>Yomichan Search</h1>
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index 6fdd54c4..0bc5e14c 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -6,116 +6,14 @@
         <title>Yomichan Options</title>
         <link rel="stylesheet" type="text/css" href="/mixed/lib/bootstrap/css/bootstrap.min.css">
         <link rel="stylesheet" type="text/css" href="/mixed/lib/bootstrap/css/bootstrap-theme.min.css">
-        <style>
-            #anki-spinner, #anki-general, #anki-error,
-            #dict-spinner, #dict-error, #dict-warning, #dict-purge, #dict-import-progress,
-            #debug, .options-advanced, .storage-hidden, #storage-spinner {
-                display: none;
-            }
-
-            .tab-content {
-                border-bottom: 1px #ddd solid;
-                border-left: 1px #ddd solid;
-                border-right: 1px #ddd solid;
-                padding: 10px;
-            }
-
-            #field-templates {
-                font-family: monospace;
-                overflow-x: hidden;
-                white-space: pre;
-            }
-
-            .bottom-links {
-                padding-bottom: 1em;
-            }
-
-            .label-light {
-                font-weight: normal;
-            }
-
-            .form-control.is-invalid {
-                border-color: #f00000;
-            }
-
-            .condition>.condition-prefix:after {
-                content: "IF";
-            }
-            .condition:nth-child(n+2)>.condition-prefix:after {
-                content: "AND";
-            }
-
-            .input-group .condition-prefix,
-            .input-group .condition-group-separator-label {
-                width: 60px;
-                text-align: center;
-            }
-            .input-group .condition-group-separator-label {
-                padding: 6px 12px;
-                font-weight: bold;
-                display: inline-block;
-            }
-            .input-group .condition-type,
-            .input-group .condition-operator {
-                width: auto;
-                text-align: center;
-                text-align-last: center;
-            }
-
-            .condition-group>.condition>div:first-child {
-                border-bottom-left-radius: 0;
-            }
-            .condition-group>.condition:nth-child(n+2)>div:first-child {
-                border-top-left-radius: 0;
-            }
-            .condition-group>.condition:nth-child(n+2)>div:last-child>button {
-                border-top-right-radius: 0;
-            }
-            .condition-group>.condition:nth-last-child(n+2)>div:last-child>button {
-                border-bottom-right-radius: 0;
-            }
-            .condition-group-options>.condition-add {
-                border-top-left-radius: 0;
-                border-top-right-radius: 0;
-            }
-
-            .condition-groups>*:last-of-type {
-                display: none;
-            }
-
-            #custom-popup-css {
-                width: 100%;
-                min-height: 34px;
-                height: 96px;
-                resize: vertical;
-                font-family: 'Courier New', Courier, monospace;
-                white-space: pre;
-            }
-
-            [data-show-for-browser] {
-                display: none;
-            }
-
-            [data-browser=edge] [data-show-for-browser~=edge],
-            [data-browser=chrome] [data-show-for-browser~=chrome],
-            [data-browser=firefox] [data-show-for-browser~=firefox],
-            [data-browser=firefox-mobile] [data-show-for-browser~=firefox-mobile] {
-                display: initial;
-            }
-
-            @media screen and (max-width: 740px) {
-                .col-xs-6 {
-                    float: none;
-                    width: 100%;
-                }
-                .col-xs-6+.col-xs-6 {
-                    margin-top: 15px;
-                }
-            }
-        </style>
+        <link rel="stylesheet" type="text/css" href="/bg/css/settings.css">
     </head>
     <body>
-        <div class="container-fluid">
+        <div class="container">
+            <div class="page-header">
+                <h1>Yomichan Options</h1>
+            </div>
+
             <div class="profile-form">
                 <h3>Profiles</h3>
 
@@ -211,7 +109,8 @@
                     <div class="input-group-addon condition-prefix"></div>
                     <div class="input-group-btn"><select class="form-control btn btn-default condition-type"><optgroup label="Type"></optgroup></select></div>
                     <div class="input-group-btn"><select class="form-control btn btn-default condition-operator"><optgroup label="Operator"></optgroup></select></div>
-                    <input type="text" class="form-control" />
+                    <div class="condition-line-break"></div>
+                    <div class="condition-input"><input type="text" class="form-control" /></div>
                     <div class="input-group-btn"><button class="btn btn-danger condition-remove" title="Remove"><span class="glyphicon glyphicon-remove"></span></button></div>
                 </div></template>
                 <template id="condition-group-separator-template"><div class="input-group">
@@ -293,14 +192,14 @@
                 <div class="form-group">
                     <div class="row">
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Popup position for horizontal text</label>
+                            <label for="popup-horizontal-text-position">Popup position for horizontal text</label>
                             <select class="form-control" id="popup-horizontal-text-position">
                                 <option value="below">Below text</option>
                                 <option value="above">Above text</option>
                             </select>
                         </div>
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Popup position for vertical text</label>
+                            <label for="popup-vertical-text-position">Popup position for vertical text</label>
                             <select class="form-control" id="popup-vertical-text-position">
                                 <option value="default">Same as for horizontal text</option>
                                 <option value="before">Before text reading direction</option>
@@ -315,11 +214,11 @@
                 <div class="form-group options-advanced">
                     <div class="row">
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Popup width <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-width">Popup width <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="1" id="popup-width" class="form-control">
                         </div>
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Popup height <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-height">Popup height <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="1" id="popup-height" class="form-control">
                         </div>
                     </div>
@@ -328,11 +227,11 @@
                 <div class="form-group options-advanced">
                     <div class="row">
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Horizontal popup offset <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-horizontal-offset">Horizontal popup offset <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="0" id="popup-horizontal-offset" class="form-control">
                         </div>
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Vertical popup offset <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-vertical-offset">Vertical popup offset <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="0" id="popup-vertical-offset" class="form-control">
                         </div>
                     </div>
@@ -341,11 +240,11 @@
                 <div class="form-group options-advanced">
                     <div class="row">
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Horizontal popup offset for vertical text <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-horizontal-offset2">Horizontal popup offset for vertical text <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="0" id="popup-horizontal-offset2" class="form-control">
                         </div>
                         <div class="col-xs-6">
-                            <label for="popup-display-mode">Vertical popup offset for vertical text <span class="label-light">(in pixels)</span></label>
+                            <label for="popup-vertical-offset2">Vertical popup offset for vertical text <span class="label-light">(in pixels)</span></label>
                             <input type="number" min="0" id="popup-vertical-offset2" class="form-control">
                         </div>
                     </div>
@@ -414,7 +313,7 @@
                 </p>
 
                 <div class="checkbox">
-                    <label><input type="checkbox" id="enable-search-within-first-popup"> Enable search within the first popup with Alt+B</label>
+                    <label><input type="checkbox" id="enable-search-within-first-popup"> Enable search when clicking glossary entries</label>
                 </div>
 
                 <div class="checkbox">
@@ -469,7 +368,8 @@
                         <a href="https://foosoft.net/projects/yomichan" target="_blank" rel="noopener">download free dictionaries</a>
                         for use with this extension and to learn about importing proprietary EPWING dictionaries.
                     </p>
-                    <input type="file" id="dict-file">
+                    <button class="btn btn-primary" id="dict-file-button">Import Dictionary</button>
+                    <div hidden><input type="file" id="dict-file"></div>
                 </div>
             </div>
 
@@ -503,7 +403,7 @@
                 </div></div>
 
                 <div>
-                    <input type="button" value="Refresh" id="storage-refresh" />
+                    <button class="btn btn-default" id="storage-refresh">Refresh</button>
                 </div>
             </div>
 
@@ -621,6 +521,29 @@
             </div>
 
             <div>
+                <h3>Keyboard Shortcuts</h3>
+
+                <p class="help-block">
+                    Yomichan includes keyboard shortcuts for common actions which can be adjusted
+                    using the web browser's settings.
+                    Instructions on how to access this settings page are listed below for a few browsers.
+                </p>
+
+                <h4>Chrome</h4>
+                <ul class="help-block">
+                    <li>Open the settings page (<a href="chrome://settings/">chrome://settings/</a>)</li>
+                    <li>Click the "Extensions" link in the left sidebar (<a href="chrome://extensions/">chrome://extensions/</a>)</li>
+                    <li>Open the left side panel using the hamburger (<strong>&#8801;</strong>) menu button, then click "Keyboard shortcuts"</li>
+                </ul>
+
+                <h4>Firefox</h4>
+                <ul class="help-block">
+                    <li>Open the extensions page (<a href="about:addons">about:addons</a>)</li>
+                    <li>Click the button on the right with the gear icon, then click "Manage Extension Shortcuts"</li>
+                </ul>
+            </div>
+
+            <div>
                 <h3>Support Development</h3>
 
                 <p class="help-block">
@@ -639,7 +562,7 @@
             <pre id="debug"></pre>
 
             <div class="pull-right bottom-links">
-                <small><a href="search.html">Search</a> &bull; <a href="https://foosoft.net/projects/yomichan/" target="_blank" rel="noopener">Homepage</a> &bull; <a href="legal.html">Legal</a></small>
+                <small><span id="extension-info"></span> &bull; <a href="search.html">Search</a> &bull; <a href="https://foosoft.net/projects/yomichan/" target="_blank" rel="noopener">Homepage</a> &bull; <a href="legal.html">Legal</a></small>
             </div>
         </div>