* {
   margin: 0;
   padding: 0;
  }
  #shade{
   position: fixed;
   width: 600px;
   height: 300px;
   display: none;
   top:100px;
  }
  .shade-background{
   width: 100%;
   height: 100%;
   background-color: #CCCCCC;
   opacity: 0.5;
   top:0px;

  }
  #register{
   position: absolute;
   background-color: #fff;
   width: 700px;
   height: 500px;
   top:00px;
  
   margin: 0 auto;
  }