Issue 2374 - Implemented Tweaks section in options page

skin/options.css

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 34 matching lines @@
   font-style: normal;
 }
 
 body
 {
   background-color: #F5F5F5;
   display: flex;
   margin: 20px 10px;
   font-family: "Source Sans Pro", sans-serif;
   font-size: 14px;
+  color: #494949;
 }
 
 h1 
 {
   font-size: 24px;
   line-height: 1em;
   font-weight: 300;
 }
 
 h2
 {
   font-size: 16px;
   font-weight: 600;
 }
 
 p
 {
   font-weight: 300;
 }
 
 hr
 {
   background-color: #CDCDCD;
   border: 0px;
   height: 1px;
   margin: 0px;
 }
 
+[aria-hidden="true"]
+{
+  display: none !important;
+}
+
 input[type="search"]::-webkit-search-cancel-button
 {
   display: none;
 }
 
 input[type="text"], input[type="search"]
 {
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   box-sizing: border-box;
@@ skipping 506 matching lines @@
   background-color: transparent;
   border: 0px;
   color: #3A7BA6;
   cursor: pointer;
 }
 
 /*
   Advanced tab content
 */
 
+#tweaks.table li
+{
+  padding-bottom: 0px;
+}
+
 #filter-lists > div
 {
   display: none;
 }
 
 body[data-tab="advanced-allFilterLists"] #all-filter-lists,
 body[data-tab="advanced-customFilters"] #custom-filters
 {
   display: block;
 }
@@ skipping 246 matching lines @@
   height: 10px;
   -webkit-margin-start: 6px;
   -moz-margin-start: 6px;
   width: 10px;
 }
 
 /*
   Tooltips
 */
 
-.tooltip, #block-element-explanation a
+.tooltip
 {
   border-bottom: dashed 1px;
   color: #3A7BA6;
   cursor: default;
   font-size: 12px;
   height: 15px;
   line-height: 19px;
   margin: 0px 4px;
   position: relative;
   text-decoration: none;
@@ skipping 12 matching lines @@
   white-space: nowrap;
   color: #FFF;
 }
 
 #content-advanced .tooltip
 {
   -moz-margin-start: 8px;
   -webkit-margin-start: 8px;
 }
 
-#block-element-explanation a
-{
-  color: black;
-  border-bottom-color: #3A7BA6;
-  font-weight: 600;
-  -moz-padding-start: 0px;
-  -webkit-padding-start: 0px;
-}
-
 div[role="tooltip"]
 {
   background-color: rgba(45, 45, 45, 0.95);
   border-radius: 3px;
   color: #FFF;
   font-size: 14px;
   font-weight: 400;
   left: -20px;
   line-height: 18px;
   margin-top: 14px;
@@ skipping 385 matching lines @@
 #other-language .button-add::before
 {
   display: none;
 }
 
 #other-language .display
 {
   -webkit-margin-start: 10px;
   -moz-margin-start: 10px;
 }