#popup0 { z-index:99;left:50px; top:130px; position: absolute; display:none;width:600px;background:#222;}
  .popupimgs{width:100%;}
  .popupimgs img{ max-width:100%; height:auto;display: inline-block;}

  .btn_closex{padding:8px 15px; }
  .btn_closex a{display:inline-block; text-decoration:none; color:#fff !important; font-size:1em; }



  @media (max-width: 768px){

  #popup0 {  top:100px; width:70%; max-width:300px; left:0;}
    .popupimgs img{width:100%;}

  }