"

From 2014.igem.org

@media all and (max-width: 900px) {

   #side_article { /* Hide advertisement panel*/
       display: none;
       visibility: hidden;
   }

   #siteDescription {
       width: 100%; /* Earlier 70%*/
   }

   #main_articles {
       width: 90%;/* Earlier 95%*/
   }

}