@media print{
  .dis2{display:none}
  }
  
@media (orientation:portrait) {
  p { font-size:80%}
  .dis{display:none}
  .nav{
    float:none;
    width:100%;
  }
  .nav a{
    float:none;
    width:100%;
  }
}

  .nav{
    float:left;
    overflow:auto;
    background-color:#7D7D7D;
    border-style:solid; 
    border-width:medium;
    margin-right:10px;
    text-align:center;
  }
  .nav a{
    float:left;
    text-align:center;
    }
  .nav a:hover {
    background-color:#6D6D6D;
    color:yellow;
  }
  .sh {
    max-width:100%;
    height:auto;
  }