Refactor extension options page

pages/options/options.css

-section {
-    padding-left: 32px;
-}
+/**
+ * Titles
+ */
 
-section .title {
-    -webkit-margin-start: -32px;
+.option-title {
     font-weight: bold;
 }
 
-section .description {
-    font-style: italic;
-    margin-bottom: 16px;
+/**
+ * Controls
+ */
+
+.text-input {
+    margin-left: 36px !important;
 }
 
-.button-panel {
-    text-align: right;
+/**
+ * Miscellaneous
+ */
+
+.option-description {
+    font-style: italic;
+    margin-bottom: 16px;
+    padding-left: 36px;
 }

pages/options/options.html

@@ -19,20 +19,20 @@
 
         <section>
 
-            <label class="title">
+            <label class="option-title">
                 <input data-option="blockMissing" type="checkbox">
                 <span data-i18n-content="blockMissingTitle"></span>
             </label>
 
-            <div class="description" data-i18n-content="blockMissingDescription"></div>
+            <div class="option-description" data-i18n-content="blockMissingDescription"></div>
 
         </section>
 
         <section>
 
-            <div class="title" data-i18n-content="domainWhitelistTitle"></div>
-            <input data-option="domainWhitelist" type="text">
-            <div class="description" data-i18n-content="domainWhitelistDescription"></div>
+            <div class="option-title" data-i18n-content="domainWhitelistTitle"></div>
+            <input class="text-input" data-option="domainWhitelist" type="text">
+            <div class="option-description" data-i18n-content="domainWhitelistDescription"></div>
 
         </section>
 

pages/options/options.js

@@ -27,10 +27,9 @@ const VALUE_SEPARATOR = ';';
 
 document.addEventListener('DOMContentLoaded', function () {
 
-    let i18nElements, saveButtonElement, blockMissingElement, domainWhitelistElement;
+    let i18nElements, blockMissingElement, domainWhitelistElement;
 
     i18nElements = document.querySelectorAll('[data-i18n-content]');
-    saveButtonElement = document.getElementById('save-button');
 
     i18nElements.forEach(function (i18nElement) {