Reduce img's shadow

resource/css/_wiki.scss

@@ -108,8 +108,8 @@ div.body {
 
   img {
     margin: 5px 0;
-    box-shadow: 0 0 12px 0px #999;
-    border: solid 1px #999;
+    box-shadow: 0 0 5px 0px rgba(0,0,0,.2);
+    border: solid 1px #ccc;
     max-width: 100%;
   }