Fix border colors.

docs/_sass/_prettify.scss

@@ -28,7 +28,7 @@
   padding: 9px 14px;
   margin-bottom: 20px;
   margin-top: 20px;
-  border: 1px solid #e1e1e8;
+  border: 1px solid #e8e8e8;
   &.linenums {
     -webkit-box-shadow: inset 40px 0 0 #fbfbfc, inset 41px 0 0 #ececf0;
        -moz-box-shadow: inset 40px 0 0 #fbfbfc, inset 41px 0 0 #ececf0;

docs/_sass/_s2-docs-home.scss

@@ -3,7 +3,7 @@
   color: #777;
   background-color: #FAFAFA;
   border-top: 1px solid #FFF;
-  border-bottom: 1px solid #E5E5E5;
+  border-bottom: 1px solid #eee;
   a {
     font-weight: bold;
   }