update highlight code style

site/common/styles/highlight.less

@@ -4,6 +4,18 @@
  * @author Lea Verou
  */
 
+pre code {
+   display: block;
+   background: white;
+   color: #666;
+   line-height: 1.5;
+   border: 1px solid #e9e9e9;
+   padding: 10px 15px;
+   border-radius: 6px;
+   font-size: 13px;
+   white-space: pre;
+}
+
 code[class*="language-"],
 pre[class*="language-"] {
     color: black;
@@ -28,6 +40,8 @@ pre[class*="language-"] {
     hyphens: none;
 }
 
+
+
 pre[class*="language-"]::-moz-selection,
 pre[class*="language-"] ::-moz-selection,
 code[class*="language-"]::-moz-selection,

site/common/styles/markdown.less

@@ -89,15 +89,16 @@
 .markdown pre {
   border-radius: 6px;
   background: #f7f7f7;
-  padding: 1em 2em;
 }
 
 .markdown pre code {
   border: none;
+  padding: 1em 2em;
   background: #f7f7f7;
   margin: 0;
 }
 
+
 .markdown strong,
 .markdown b {
   font-weight: 600;