add sr-only class, change to new tag line

3 files changed, 24 insertions, 923 deletions

diff --git a/public/css/gogs.min.css b/public/css/gogs.min.css
index 61a27a207f..528d21ad5e 100644
--- a/public/css/gogs.min.css
+++ b/public/css/gogs.min.css
@@ -1,921 +1 @@
-@font-face {
-  font-family: 'octicons';
-  src: url('../fonts/octicons.eot?#iefix&v=345f8bad9c5003db196d08f05e7f030fd2a32ff6') format('embedded-opentype'), url('../fonts/octicons.woff?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6') format('woff'), url('../fonts/octicons.ttf?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6') format('truetype'), url('../fonts/octicons.svg?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6#octicons') format('svg');
-  font-weight: normal;
-  font-style: normal;
-}
-.octicon,
-.mega-octicon {
-  font: normal normal normal 16px/1 octicons;
-  display: inline-block;
-  text-decoration: none;
-  text-rendering: auto;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-  -webkit-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
-}
-.mega-octicon {
-  font-size: 32px;
-}
-.octicon-alert:before {
-  content: '\f02d';
-}
-/*  */
-.octicon-alignment-align:before {
-  content: '\f08a';
-}
-/*  */
-.octicon-alignment-aligned-to:before {
-  content: '\f08e';
-}
-/*  */
-.octicon-alignment-unalign:before {
-  content: '\f08b';
-}
-/*  */
-.octicon-arrow-down:before {
-  content: '\f03f';
-}
-/*  */
-.octicon-arrow-left:before {
-  content: '\f040';
-}
-/*  */
-.octicon-arrow-right:before {
-  content: '\f03e';
-}
-/*  */
-.octicon-arrow-small-down:before {
-  content: '\f0a0';
-}
-/*  */
-.octicon-arrow-small-left:before {
-  content: '\f0a1';
-}
-/*  */
-.octicon-arrow-small-right:before {
-  content: '\f071';
-}
-/*  */
-.octicon-arrow-small-up:before {
-  content: '\f09f';
-}
-/*  */
-.octicon-arrow-up:before {
-  content: '\f03d';
-}
-/*  */
-.octicon-beer:before {
-  content: '\f069';
-}
-/*  */
-.octicon-book:before {
-  content: '\f007';
-}
-/*  */
-.octicon-bookmark:before {
-  content: '\f07b';
-}
-/*  */
-.octicon-briefcase:before {
-  content: '\f0d3';
-}
-/*  */
-.octicon-broadcast:before {
-  content: '\f048';
-}
-/*  */
-.octicon-browser:before {
-  content: '\f0c5';
-}
-/*  */
-.octicon-bug:before {
-  content: '\f091';
-}
-/*  */
-.octicon-calendar:before {
-  content: '\f068';
-}
-/*  */
-.octicon-check:before {
-  content: '\f03a';
-}
-/*  */
-.octicon-checklist:before {
-  content: '\f076';
-}
-/*  */
-.octicon-chevron-down:before {
-  content: '\f0a3';
-}
-/*  */
-.octicon-chevron-left:before {
-  content: '\f0a4';
-}
-/*  */
-.octicon-chevron-right:before {
-  content: '\f078';
-}
-/*  */
-.octicon-chevron-up:before {
-  content: '\f0a2';
-}
-/*  */
-.octicon-circle-slash:before {
-  content: '\f084';
-}
-/*  */
-.octicon-circuit-board:before {
-  content: '\f0d6';
-}
-/*  */
-.octicon-clippy:before {
-  content: '\f035';
-}
-/*  */
-.octicon-clock:before {
-  content: '\f046';
-}
-/*  */
-.octicon-cloud-download:before {
-  content: '\f00b';
-}
-/*  */
-.octicon-cloud-upload:before {
-  content: '\f00c';
-}
-/*  */
-.octicon-code:before {
-  content: '\f05f';
-}
-/*  */
-.octicon-color-mode:before {
-  content: '\f065';
-}
-/*  */
-.octicon-comment-add:before,
-.octicon-comment:before {
-  content: '\f02b';
-}
-/*  */
-.octicon-comment-discussion:before {
-  content: '\f04f';
-}
-/*  */
-.octicon-credit-card:before {
-  content: '\f045';
-}
-/*  */
-.octicon-dash:before {
-  content: '\f0ca';
-}
-/*  */
-.octicon-dashboard:before {
-  content: '\f07d';
-}
-/*  */
-.octicon-database:before {
-  content: '\f096';
-}
-/*  */
-.octicon-device-camera:before {
-  content: '\f056';
-}
-/*  */
-.octicon-device-camera-video:before {
-  content: '\f057';
-}
-/*  */
-.octicon-device-desktop:before {
-  content: '\f27c';
-}
-/*  */
-.octicon-device-mobile:before {
-  content: '\f038';
-}
-/*  */
-.octicon-diff:before {
-  content: '\f04d';
-}
-/*  */
-.octicon-diff-added:before {
-  content: '\f06b';
-}
-/*  */
-.octicon-diff-ignored:before {
-  content: '\f099';
-}
-/*  */
-.octicon-diff-modified:before {
-  content: '\f06d';
-}
-/*  */
-.octicon-diff-removed:before {
-  content: '\f06c';
-}
-/*  */
-.octicon-diff-renamed:before {
-  content: '\f06e';
-}
-/*  */
-.octicon-ellipsis:before {
-  content: '\f09a';
-}
-/*  */
-.octicon-eye-unwatch:before,
-.octicon-eye-watch:before,
-.octicon-eye:before {
-  content: '\f04e';
-}
-/*  */
-.octicon-file-binary:before {
-  content: '\f094';
-}
-/*  */
-.octicon-file-code:before {
-  content: '\f010';
-}
-/*  */
-.octicon-file-directory:before {
-  content: '\f016';
-}
-/*  */
-.octicon-file-media:before {
-  content: '\f012';
-}
-/*  */
-.octicon-file-pdf:before {
-  content: '\f014';
-}
-/*  */
-.octicon-file-submodule:before {
-  content: '\f017';
-}
-/*  */
-.octicon-file-symlink-directory:before {
-  content: '\f0b1';
-}
-/*  */
-.octicon-file-symlink-file:before {
-  content: '\f0b0';
-}
-/*  */
-.octicon-file-text:before {
-  content: '\f011';
-}
-/*  */
-.octicon-file-zip:before {
-  content: '\f013';
-}
-/*  */
-.octicon-flame:before {
-  content: '\f0d2';
-}
-/*  */
-.octicon-fold:before {
-  content: '\f0cc';
-}
-/*  */
-.octicon-gear:before {
-  content: '\f02f';
-}
-/*  */
-.octicon-gift:before {
-  content: '\f042';
-}
-/*  */
-.octicon-gist:before {
-  content: '\f00e';
-}
-/*  */
-.octicon-gist-secret:before {
-  content: '\f08c';
-}
-/*  */
-.octicon-git-branch-create:before,
-.octicon-git-branch-delete:before,
-.octicon-git-branch:before {
-  content: '\f020';
-}
-/*  */
-.octicon-git-commit:before {
-  content: '\f01f';
-}
-/*  */
-.octicon-git-compare:before {
-  content: '\f0ac';
-}
-/*  */
-.octicon-git-merge:before {
-  content: '\f023';
-}
-/*  */
-.octicon-git-pull-request-abandoned:before,
-.octicon-git-pull-request:before {
-  content: '\f009';
-}
-/*  */
-.octicon-globe:before {
-  content: '\f0b6';
-}
-/*  */
-.octicon-graph:before {
-  content: '\f043';
-}
-/*  */
-.octicon-heart:before {
-  content: '\2665';
-}
-/* ♥ */
-.octicon-history:before {
-  content: '\f07e';
-}
-/*  */
-.octicon-home:before {
-  content: '\f08d';
-}
-/*  */
-.octicon-horizontal-rule:before {
-  content: '\f070';
-}
-/*  */
-.octicon-hourglass:before {
-  content: '\f09e';
-}
-/*  */
-.octicon-hubot:before {
-  content: '\f09d';
-}
-/*  */
-.octicon-inbox:before {
-  content: '\f0cf';
-}
-/*  */
-.octicon-info:before {
-  content: '\f059';
-}
-/*  */
-.octicon-issue-closed:before {
-  content: '\f028';
-}
-/*  */
-.octicon-issue-opened:before {
-  content: '\f026';
-}
-/*  */
-.octicon-issue-reopened:before {
-  content: '\f027';
-}
-/*  */
-.octicon-jersey:before {
-  content: '\f019';
-}
-/*  */
-.octicon-jump-down:before {
-  content: '\f072';
-}
-/*  */
-.octicon-jump-left:before {
-  content: '\f0a5';
-}
-/*  */
-.octicon-jump-right:before {
-  content: '\f0a6';
-}
-/*  */
-.octicon-jump-up:before {
-  content: '\f073';
-}
-/*  */
-.octicon-key:before {
-  content: '\f049';
-}
-/*  */
-.octicon-keyboard:before {
-  content: '\f00d';
-}
-/*  */
-.octicon-law:before {
-  content: '\f0d8';
-}
-/*  */
-.octicon-light-bulb:before {
-  content: '\f000';
-}
-/*  */
-.octicon-link:before {
-  content: '\f05c';
-}
-/*  */
-.octicon-link-external:before {
-  content: '\f07f';
-}
-/*  */
-.octicon-list-ordered:before {
-  content: '\f062';
-}
-/*  */
-.octicon-list-unordered:before {
-  content: '\f061';
-}
-/*  */
-.octicon-location:before {
-  content: '\f060';
-}
-/*  */
-.octicon-gist-private:before,
-.octicon-mirror-private:before,
-.octicon-git-fork-private:before,
-.octicon-lock:before {
-  content: '\f06a';
-}
-/*  */
-.octicon-logo-github:before {
-  content: '\f092';
-}
-/*  */
-.octicon-mail:before {
-  content: '\f03b';
-}
-/*  */
-.octicon-mail-read:before {
-  content: '\f03c';
-}
-/*  */
-.octicon-mail-reply:before {
-  content: '\f051';
-}
-/*  */
-.octicon-mark-github:before {
-  content: '\f00a';
-}
-/*  */
-.octicon-markdown:before {
-  content: '\f0c9';
-}
-/*  */
-.octicon-megaphone:before {
-  content: '\f077';
-}
-/*  */
-.octicon-mention:before {
-  content: '\f0be';
-}
-/*  */
-.octicon-microscope:before {
-  content: '\f089';
-}
-/*  */
-.octicon-milestone:before {
-  content: '\f075';
-}
-/*  */
-.octicon-mirror-public:before,
-.octicon-mirror:before {
-  content: '\f024';
-}
-/*  */
-.octicon-mortar-board:before {
-  content: '\f0d7';
-}
-/*  */
-.octicon-move-down:before {
-  content: '\f0a8';
-}
-/*  */
-.octicon-move-left:before {
-  content: '\f074';
-}
-/*  */
-.octicon-move-right:before {
-  content: '\f0a9';
-}
-/*  */
-.octicon-move-up:before {
-  content: '\f0a7';
-}
-/*  */
-.octicon-mute:before {
-  content: '\f080';
-}
-/*  */
-.octicon-no-newline:before {
-  content: '\f09c';
-}
-/*  */
-.octicon-octoface:before {
-  content: '\f008';
-}
-/*  */
-.octicon-organization:before {
-  content: '\f037';
-}
-/*  */
-.octicon-package:before {
-  content: '\f0c4';
-}
-/*  */
-.octicon-paintcan:before {
-  content: '\f0d1';
-}
-/*  */
-.octicon-pencil:before {
-  content: '\f058';
-}
-/*  */
-.octicon-person-add:before,
-.octicon-person-follow:before,
-.octicon-person:before {
-  content: '\f018';
-}
-/*  */
-.octicon-pin:before {
-  content: '\f041';
-}
-/*  */
-.octicon-playback-fast-forward:before {
-  content: '\f0bd';
-}
-/*  */
-.octicon-playback-pause:before {
-  content: '\f0bb';
-}
-/*  */
-.octicon-playback-play:before {
-  content: '\f0bf';
-}
-/*  */
-.octicon-playback-rewind:before {
-  content: '\f0bc';
-}
-/*  */
-.octicon-plug:before {
-  content: '\f0d4';
-}
-/*  */
-.octicon-repo-create:before,
-.octicon-gist-new:before,
-.octicon-file-directory-create:before,
-.octicon-file-add:before,
-.octicon-plus:before {
-  content: '\f05d';
-}
-/*  */
-.octicon-podium:before {
-  content: '\f0af';
-}
-/*  */
-.octicon-primitive-dot:before {
-  content: '\f052';
-}
-/*  */
-.octicon-primitive-square:before {
-  content: '\f053';
-}
-/*  */
-.octicon-pulse:before {
-  content: '\f085';
-}
-/*  */
-.octicon-puzzle:before {
-  content: '\f0c0';
-}
-/*  */
-.octicon-question:before {
-  content: '\f02c';
-}
-/*  */
-.octicon-quote:before {
-  content: '\f063';
-}
-/*  */
-.octicon-radio-tower:before {
-  content: '\f030';
-}
-/*  */
-.octicon-repo-delete:before,
-.octicon-repo:before {
-  content: '\f001';
-}
-/*  */
-.octicon-repo-clone:before {
-  content: '\f04c';
-}
-/*  */
-.octicon-repo-force-push:before {
-  content: '\f04a';
-}
-/*  */
-.octicon-gist-fork:before,
-.octicon-repo-forked:before {
-  content: '\f002';
-}
-/*  */
-.octicon-repo-pull:before {
-  content: '\f006';
-}
-/*  */
-.octicon-repo-push:before {
-  content: '\f005';
-}
-/*  */
-.octicon-rocket:before {
-  content: '\f033';
-}
-/*  */
-.octicon-rss:before {
-  content: '\f034';
-}
-/*  */
-.octicon-ruby:before {
-  content: '\f047';
-}
-/*  */
-.octicon-screen-full:before {
-  content: '\f066';
-}
-/*  */
-.octicon-screen-normal:before {
-  content: '\f067';
-}
-/*  */
-.octicon-search-save:before,
-.octicon-search:before {
-  content: '\f02e';
-}
-/*  */
-.octicon-server:before {
-  content: '\f097';
-}
-/*  */
-.octicon-settings:before {
-  content: '\f07c';
-}
-/*  */
-.octicon-log-in:before,
-.octicon-sign-in:before {
-  content: '\f036';
-}
-/*  */
-.octicon-log-out:before,
-.octicon-sign-out:before {
-  content: '\f032';
-}
-/*  */
-.octicon-split:before {
-  content: '\f0c6';
-}
-/*  */
-.octicon-squirrel:before {
-  content: '\f0b2';
-}
-/*  */
-.octicon-star-add:before,
-.octicon-star-delete:before,
-.octicon-star:before {
-  content: '\f02a';
-}
-/*  */
-.octicon-steps:before {
-  content: '\f0c7';
-}
-/*  */
-.octicon-stop:before {
-  content: '\f08f';
-}
-/*  */
-.octicon-repo-sync:before,
-.octicon-sync:before {
-  content: '\f087';
-}
-/*  */
-.octicon-tag-remove:before,
-.octicon-tag-add:before,
-.octicon-tag:before {
-  content: '\f015';
-}
-/*  */
-.octicon-telescope:before {
-  content: '\f088';
-}
-/*  */
-.octicon-terminal:before {
-  content: '\f0c8';
-}
-/*  */
-.octicon-three-bars:before {
-  content: '\f05e';
-}
-/*  */
-.octicon-thumbsdown:before {
-  content: '\f0db';
-}
-/*  */
-.octicon-thumbsup:before {
-  content: '\f0da';
-}
-/*  */
-.octicon-tools:before {
-  content: '\f031';
-}
-/*  */
-.octicon-trashcan:before {
-  content: '\f0d0';
-}
-/*  */
-.octicon-triangle-down:before {
-  content: '\f05b';
-}
-/*  */
-.octicon-triangle-left:before {
-  content: '\f044';
-}
-/*  */
-.octicon-triangle-right:before {
-  content: '\f05a';
-}
-/*  */
-.octicon-triangle-up:before {
-  content: '\f0aa';
-}
-/*  */
-.octicon-unfold:before {
-  content: '\f039';
-}
-/*  */
-.octicon-unmute:before {
-  content: '\f0ba';
-}
-/*  */
-.octicon-versions:before {
-  content: '\f064';
-}
-/*  */
-.octicon-remove-close:before,
-.octicon-x:before {
-  content: '\f081';
-}
-/*  */
-.octicon-zap:before {
-  content: '\26A1';
-}
-body {
-  font-family: 'Helvetica Neue', Arial, Helvetica, sans-serif, '微软雅黑';
-  background-color: #FFFFFF;
-}
-.full.height {
-  padding: 0;
-  margin: 0 0 -87px 0;
-  min-height: 100%;
-}
-.following.bar {
-  z-index: 900;
-  left: 0;
-  width: 100%;
-  padding: 0.7em 0;
-}
-.following.bar.light {
-  background-color: #FFFFFF;
-  border-bottom: 1px solid #DDDDDD;
-  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.04);
-}
-.following.bar .column .menu {
-  margin-top: 0;
-}
-.following.bar .brand {
-  float: left;
-  margin-right: 5px;
-}
-.following.bar .searchbox {
-  background-color: #f4f4f4 !important;
-}
-.following.bar .searchbox:focus {
-  background-color: #e9e9e9 !important;
-}
-footer {
-  margin-top: 40px !important;
-  background-color: white;
-  border-top: 1px solid #d6d6d6;
-  clear: both;
-  width: 100%;
-  color: #888888;
-}
-footer .ui.left {
-  float: left;
-}
-footer .ui.right {
-  float: right;
-}
-footer .fa {
-  width: 16px;
-  text-align: center;
-  color: #428bca;
-}
-footer .links > * {
-  border-left: 1px solid #d6d6d6;
-  padding-left: 8px;
-  margin-left: 5px;
-}
-footer .links > *:first-child {
-  border-left: none;
-}
-.img-1 {
-  width: 2px;
-  height: 2px;
-}
-.img-2 {
-  width: 4px;
-  height: 4px;
-}
-.img-3 {
-  width: 6px;
-  height: 6px;
-}
-.img-4 {
-  width: 8px;
-  height: 8px;
-}
-.img-5 {
-  width: 10px;
-  height: 10px;
-}
-.img-6 {
-  width: 12px;
-  height: 12px;
-}
-.img-7 {
-  width: 14px;
-  height: 14px;
-}
-.img-8 {
-  width: 16px;
-  height: 16px;
-}
-.img-9 {
-  width: 18px;
-  height: 18px;
-}
-.img-10 {
-  width: 20px;
-  height: 20px;
-}
-.img-11 {
-  width: 22px;
-  height: 22px;
-}
-.img-12 {
-  width: 24px;
-  height: 24px;
-}
-.img-13 {
-  width: 26px;
-  height: 26px;
-}
-.img-14 {
-  width: 28px;
-  height: 28px;
-}
-.img-15 {
-  width: 30px;
-  height: 30px;
-}
-.img-16 {
-  width: 32px;
-  height: 32px;
-}
-.home {
-  padding-bottom: 80px;
-}
-.home .logo {
-  max-width: 250px;
-}
-.home .hero h1,
-.home .hero h2 {
-  font-family: 'PT Sans Narrow', sans-serif;
-}
-.home .hero h1 {
-  font-size: 7em;
-}
-.home .hero h2 {
-  font-size: 4em;
-}
-.home .hero .octicon {
-  color: #d9453d;
-  font-size: 60px;
-  margin-right: 10px;
-}
-.home .hero.header {
-  font-size: 24px;
-}
-.home p.large {
-  font-size: 20px;
-}
-.home .stackable {
-  padding-top: 30px;
-}
-.home a {
-  color: #d9453d;
-}
+@font-face{font-family:octicons;src:url(../fonts/octicons.eot?#iefix&v=345f8bad9c5003db196d08f05e7f030fd2a32ff6) format('embedded-opentype'),url(../fonts/octicons.woff?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6) format('woff'),url(../fonts/octicons.ttf?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6) format('truetype'),url(../fonts/octicons.svg?v=345f8bad9c5003db196d08f05e7f030fd2a32ff6#octicons) format('svg');font-weight:400;font-style:normal}.mega-octicon,.octicon{font:normal normal normal 16px/1 octicons;display:inline-block;text-decoration:none;text-rendering:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.mega-octicon{font-size:32px}.octicon-alert:before{content:'\f02d'}.octicon-alignment-align:before{content:'\f08a'}.octicon-alignment-aligned-to:before{content:'\f08e'}.octicon-alignment-unalign:before{content:'\f08b'}.octicon-arrow-down:before{content:'\f03f'}.octicon-arrow-left:before{content:'\f040'}.octicon-arrow-right:before{content:'\f03e'}.octicon-arrow-small-down:before{content:'\f0a0'}.octicon-arrow-small-left:before{content:'\f0a1'}.octicon-arrow-small-right:before{content:'\f071'}.octicon-arrow-small-up:before{content:'\f09f'}.octicon-arrow-up:before{content:'\f03d'}.octicon-beer:before{content:'\f069'}.octicon-book:before{content:'\f007'}.octicon-bookmark:before{content:'\f07b'}.octicon-briefcase:before{content:'\f0d3'}.octicon-broadcast:before{content:'\f048'}.octicon-browser:before{content:'\f0c5'}.octicon-bug:before{content:'\f091'}.octicon-calendar:before{content:'\f068'}.octicon-check:before{content:'\f03a'}.octicon-checklist:before{content:'\f076'}.octicon-chevron-down:before{content:'\f0a3'}.octicon-chevron-left:before{content:'\f0a4'}.octicon-chevron-right:before{content:'\f078'}.octicon-chevron-up:before{content:'\f0a2'}.octicon-circle-slash:before{content:'\f084'}.octicon-circuit-board:before{content:'\f0d6'}.octicon-clippy:before{content:'\f035'}.octicon-clock:before{content:'\f046'}.octicon-cloud-download:before{content:'\f00b'}.octicon-cloud-upload:before{content:'\f00c'}.octicon-code:before{content:'\f05f'}.octicon-color-mode:before{content:'\f065'}.octicon-comment-add:before,.octicon-comment:before{content:'\f02b'}.octicon-comment-discussion:before{content:'\f04f'}.octicon-credit-card:before{content:'\f045'}.octicon-dash:before{content:'\f0ca'}.octicon-dashboard:before{content:'\f07d'}.octicon-database:before{content:'\f096'}.octicon-device-camera:before{content:'\f056'}.octicon-device-camera-video:before{content:'\f057'}.octicon-device-desktop:before{content:'\f27c'}.octicon-device-mobile:before{content:'\f038'}.octicon-diff:before{content:'\f04d'}.octicon-diff-added:before{content:'\f06b'}.octicon-diff-ignored:before{content:'\f099'}.octicon-diff-modified:before{content:'\f06d'}.octicon-diff-removed:before{content:'\f06c'}.octicon-diff-renamed:before{content:'\f06e'}.octicon-ellipsis:before{content:'\f09a'}.octicon-eye-unwatch:before,.octicon-eye-watch:before,.octicon-eye:before{content:'\f04e'}.octicon-file-binary:before{content:'\f094'}.octicon-file-code:before{content:'\f010'}.octicon-file-directory:before{content:'\f016'}.octicon-file-media:before{content:'\f012'}.octicon-file-pdf:before{content:'\f014'}.octicon-file-submodule:before{content:'\f017'}.octicon-file-symlink-directory:before{content:'\f0b1'}.octicon-file-symlink-file:before{content:'\f0b0'}.octicon-file-text:before{content:'\f011'}.octicon-file-zip:before{content:'\f013'}.octicon-flame:before{content:'\f0d2'}.octicon-fold:before{content:'\f0cc'}.octicon-gear:before{content:'\f02f'}.octicon-gift:before{content:'\f042'}.octicon-gist:before{content:'\f00e'}.octicon-gist-secret:before{content:'\f08c'}.octicon-git-branch-create:before,.octicon-git-branch-delete:before,.octicon-git-branch:before{content:'\f020'}.octicon-git-commit:before{content:'\f01f'}.octicon-git-compare:before{content:'\f0ac'}.octicon-git-merge:before{content:'\f023'}.octicon-git-pull-request-abandoned:before,.octicon-git-pull-request:before{content:'\f009'}.octicon-globe:before{content:'\f0b6'}.octicon-graph:before{content:'\f043'}.octicon-heart:before{content:'\2665'}.octicon-history:before{content:'\f07e'}.octicon-home:before{content:'\f08d'}.octicon-horizontal-rule:before{content:'\f070'}.octicon-hourglass:before{content:'\f09e'}.octicon-hubot:before{content:'\f09d'}.octicon-inbox:before{content:'\f0cf'}.octicon-info:before{content:'\f059'}.octicon-issue-closed:before{content:'\f028'}.octicon-issue-opened:before{content:'\f026'}.octicon-issue-reopened:before{content:'\f027'}.octicon-jersey:before{content:'\f019'}.octicon-jump-down:before{content:'\f072'}.octicon-jump-left:before{content:'\f0a5'}.octicon-jump-right:before{content:'\f0a6'}.octicon-jump-up:before{content:'\f073'}.octicon-key:before{content:'\f049'}.octicon-keyboard:before{content:'\f00d'}.octicon-law:before{content:'\f0d8'}.octicon-light-bulb:before{content:'\f000'}.octicon-link:before{content:'\f05c'}.octicon-link-external:before{content:'\f07f'}.octicon-list-ordered:before{content:'\f062'}.octicon-list-unordered:before{content:'\f061'}.octicon-location:before{content:'\f060'}.octicon-gist-private:before,.octicon-git-fork-private:before,.octicon-lock:before,.octicon-mirror-private:before{content:'\f06a'}.octicon-logo-github:before{content:'\f092'}.octicon-mail:before{content:'\f03b'}.octicon-mail-read:before{content:'\f03c'}.octicon-mail-reply:before{content:'\f051'}.octicon-mark-github:before{content:'\f00a'}.octicon-markdown:before{content:'\f0c9'}.octicon-megaphone:before{content:'\f077'}.octicon-mention:before{content:'\f0be'}.octicon-microscope:before{content:'\f089'}.octicon-milestone:before{content:'\f075'}.octicon-mirror-public:before,.octicon-mirror:before{content:'\f024'}.octicon-mortar-board:before{content:'\f0d7'}.octicon-move-down:before{content:'\f0a8'}.octicon-move-left:before{content:'\f074'}.octicon-move-right:before{content:'\f0a9'}.octicon-move-up:before{content:'\f0a7'}.octicon-mute:before{content:'\f080'}.octicon-no-newline:before{content:'\f09c'}.octicon-octoface:before{content:'\f008'}.octicon-organization:before{content:'\f037'}.octicon-package:before{content:'\f0c4'}.octicon-paintcan:before{content:'\f0d1'}.octicon-pencil:before{content:'\f058'}.octicon-person-add:before,.octicon-person-follow:before,.octicon-person:before{content:'\f018'}.octicon-pin:before{content:'\f041'}.octicon-playback-fast-forward:before{content:'\f0bd'}.octicon-playback-pause:before{content:'\f0bb'}.octicon-playback-play:before{content:'\f0bf'}.octicon-playback-rewind:before{content:'\f0bc'}.octicon-plug:before{content:'\f0d4'}.octicon-file-add:before,.octicon-file-directory-create:before,.octicon-gist-new:before,.octicon-plus:before,.octicon-repo-create:before{content:'\f05d'}.octicon-podium:before{content:'\f0af'}.octicon-primitive-dot:before{content:'\f052'}.octicon-primitive-square:before{content:'\f053'}.octicon-pulse:before{content:'\f085'}.octicon-puzzle:before{content:'\f0c0'}.octicon-question:before{content:'\f02c'}.octicon-quote:before{content:'\f063'}.octicon-radio-tower:before{content:'\f030'}.octicon-repo-delete:before,.octicon-repo:before{content:'\f001'}.octicon-repo-clone:before{content:'\f04c'}.octicon-repo-force-push:before{content:'\f04a'}.octicon-gist-fork:before,.octicon-repo-forked:before{content:'\f002'}.octicon-repo-pull:before{content:'\f006'}.octicon-repo-push:before{content:'\f005'}.octicon-rocket:before{content:'\f033'}.octicon-rss:before{content:'\f034'}.octicon-ruby:before{content:'\f047'}.octicon-screen-full:before{content:'\f066'}.octicon-screen-normal:before{content:'\f067'}.octicon-search-save:before,.octicon-search:before{content:'\f02e'}.octicon-server:before{content:'\f097'}.octicon-settings:before{content:'\f07c'}.octicon-log-in:before,.octicon-sign-in:before{content:'\f036'}.octicon-log-out:before,.octicon-sign-out:before{content:'\f032'}.octicon-split:before{content:'\f0c6'}.octicon-squirrel:before{content:'\f0b2'}.octicon-star-add:before,.octicon-star-delete:before,.octicon-star:before{content:'\f02a'}.octicon-steps:before{content:'\f0c7'}.octicon-stop:before{content:'\f08f'}.octicon-repo-sync:before,.octicon-sync:before{content:'\f087'}.octicon-tag-add:before,.octicon-tag-remove:before,.octicon-tag:before{content:'\f015'}.octicon-telescope:before{content:'\f088'}.octicon-terminal:before{content:'\f0c8'}.octicon-three-bars:before{content:'\f05e'}.octicon-thumbsdown:before{content:'\f0db'}.octicon-thumbsup:before{content:'\f0da'}.octicon-tools:before{content:'\f031'}.octicon-trashcan:before{content:'\f0d0'}.octicon-triangle-down:before{content:'\f05b'}.octicon-triangle-left:before{content:'\f044'}.octicon-triangle-right:before{content:'\f05a'}.octicon-triangle-up:before{content:'\f0aa'}.octicon-unfold:before{content:'\f039'}.octicon-unmute:before{content:'\f0ba'}.octicon-versions:before{content:'\f064'}.octicon-remove-close:before,.octicon-x:before{content:'\f081'}.octicon-zap:before{content:'\26A1'}body{font-family:'Helvetica Neue',Arial,Helvetica,sans-serif,'微软雅黑';background-color:#FFF}.full.height{padding:0;margin:0 0 -87px 0;min-height:100%}.following.bar{z-index:900;left:0;width:100%;padding:.7em 0}.following.bar.light{background-color:#FFF;border-bottom:1px solid #DDD;box-shadow:0 2px 3px rgba(0,0,0,.04)}.following.bar .column .menu{margin-top:0}.following.bar .brand{float:left;margin-right:5px}.following.bar .searchbox{background-color:#f4f4f4!important}.following.bar .searchbox:focus{background-color:#e9e9e9!important}footer{margin-top:40px!important;background-color:#fff;border-top:1px solid #d6d6d6;clear:both;width:100%;color:#888}footer .ui.left{float:left}footer .ui.right{float:right}footer .fa{width:16px;text-align:center;color:#428bca}footer .links>*{border-left:1px solid #d6d6d6;padding-left:8px;margin-left:5px}footer .links>:first-child{border-left:none}.img-1{width:2px;height:2px}.img-2{width:4px;height:4px}.img-3{width:6px;height:6px}.img-4{width:8px;height:8px}.img-5{width:10px;height:10px}.img-6{width:12px;height:12px}.img-7{width:14px;height:14px}.img-8{width:16px;height:16px}.img-9{width:18px;height:18px}.img-10{width:20px;height:20px}.img-11{width:22px;height:22px}.img-12{width:24px;height:24px}.img-13{width:26px;height:26px}.img-14{width:28px;height:28px}.img-15{width:30px;height:30px}.img-16{width:32px;height:32px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.sr-only-focusable:active,.sr-only-focusable:focus{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto}.home{padding-bottom:80px}.home .logo{max-width:250px}.home .hero h1,.home .hero h2{font-family:'PT Sans Narrow',sans-serif}.home .hero h1{font-size:7em}.home .hero h2{font-size:4em}.home .hero .octicon{color:#d9453d;font-size:60px;margin-right:10px}.home .hero.header{font-size:24px}.home p.large{font-size:20px}.home .stackable{padding-top:30px}.home a{color:#d9453d}
\ No newline at end of file
diff --git a/public/img/favicon.bak.png b/public/img/favicon.bak.png
deleted file mode 100644
index 33d8f1cd21..0000000000
--- a/public/img/favicon.bak.png
+++ /dev/null
diff --git a/public/less/_base.less b/public/less/_base.less
index 2fdcc18692..5f22bc3236 100644
--- a/public/less/_base.less
+++ b/public/less/_base.less
@@ -1,6 +1,6 @@
- @footer-margin: 40px;
+@footer-margin: 40px;
  
- body {
+body {
 	font-family: 'Helvetica Neue',Arial,Helvetica,sans-serif,'微软雅黑';
 	background-color: #FFFFFF;
 }
@@ -69,4 +69,25 @@ footer {
     height: (2px * @i);
   }
   .generate-img(@n, (@i + 1));
+}
+
+// Accessibility
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  border: 0;
+}
+.sr-only-focusable:active,
+.sr-only-focusable:focus {
+  position: static;
+  width: auto;
+  height: auto;
+  margin: 0;
+  overflow: visible;
+  clip: auto;
 }
\ No newline at end of file