Updated panels color in MD theme

boards/static/css/md/base_page.css

@@ -67,7 +67,7 b' body {'
 }
 
 .navigation_panel, .tag_info {
-    background: #444;
+    background: #222;
     margin-bottom: 5px;
     margin-top: 5px;
     padding: 10px;
@@ -102,14 +102,14 b' body {'
 }
 
 .header {
-    border-bottom: solid 1px #888;
+    border-bottom: solid 2px #888;
     margin-bottom: 5px;
     border-top: none;
     margin-top: 0;
 }
 
 .footer {
-    border-top: solid 1px #888;
+    border-top: solid 2px #888;
     margin-top: 5px;
     border-bottom: none;
     margin-bottom: 0;