Fix post styling

css/main.css

@@ -233,10 +233,12 @@ div.pagination {
   border: 1px solid #ddd;
   background-color: #eef;
   padding: 0 .2em;
+  font-size: small;
 }
 
 .post pre code {
   border: none;
+  padding: 0;
 }
 
 /* terminal */