Merge pull request #2717 from llxxxll/gh-pages

update 2x logo.png & .logo style

css/home.css

@@ -2375,8 +2375,8 @@ header.site-header .logo {
   float: left;
 }
 header.site-header .logo > img {
-  height: 40px;
-  margin: 10px 10px 10px 10px;
+  height: 60px;
+  /*margin: 10px 10px 10px 10px;*/
 }
 header.site-header .top-nav {
   margin-left: 155px;
@@ -2397,7 +2397,7 @@ header.site-header .top-nav .site-links > li > a {
   height: 100%;
   line-height: 60px;
   padding: 0 20px;
-  color: rgba(255, 255, 255, 0.7);
+  color: #fff;
   /*&.active,*/
 }
 header.site-header .top-nav .site-links > li > a:hover {
@@ -2462,7 +2462,7 @@ header.site-header .right-nav .language-switcher {
   float: left;
 }
 header.site-header .right-nav .language-switcher > a {
-  color: rgba(255, 255, 255, 0.7);
+  color: #fff;
   width: 80px;
   text-align: center;
   line-height: 60px;
@@ -2485,7 +2485,7 @@ header.site-header .github-fork > a {
   display: inline-block;
   line-height: 40px;
   width: 100px;
-  color: rgba(255, 255, 255, 0.7);
+  color: #fff;
   padding: 0 10px;
   margin: 10px 0;
   font-size: 14px;