@media (max-width: 799px){
  .topbar,.headerbar,.footer,.gi2t,
  .abouth,.vnav .list,.menul{display: none!important;}
  .page{min-width: auto;}
  .fm{margin: 0;}
  .fm>.inner,.vnav{padding: 0;}
  .mainw{width: auto;}
  .vnav .content{margin: 0}
  .article{padding: 15px;}
}