div.spacer{
   height: 0px; clear: both;
  }
footer {
    background-color: darkblue;
    clear: both;
    /*position:sticky;*/
    bottom: 0px;
    width: 100%; 
    margin-top: 0px;
    text-align: center;
    text-decoration: none;
    color: white;
    padding: 10px 5px;
    border-radius: 0px;
     font-family: Helvetica,  Tahoma, sans-serif;
    font-size: 20px;
 }