Added post style to the posts table (used in gallery).

boards/static/css/md/base_page.css

@@ -43,7 +43,7 b' html {'
     color: #fff380;
 }
 
-.post, .dead_post {
+.post, .dead_post, #posts-table {
     background: #333;
     margin: 5px;
     padding: 10px;