#cellwrapper {
   visibility: invisible;
   display: none;
}


@media only screen and (max-width: 479px) {


#cellwrapper {
   visibility: visible;
   display: block;
}

#main_wrapper {
  visibility: invisible;
   display: none;
}

.navButt {
   background-color:#ffcc33;;
   color:black;
   border-color:#ffcc33;;
   cursor:pointer;
   float:right;
}


}