body {
    margin:0px;
    background-color: #070707;    

   html,body{
      margin:0;
      padding:0;
      height:100%;
      border:none
   }
   
#fullheight{height:100%}
#fullheight2{height:100%}
#partialheight{height:95%}
#partialheight2{height:80%}
#600height{height:600px}