/* Add a black background color to the top navigation */
.topnav {
    background-color: rgba(51,51,51,0.0);
    overflow: hidden;
    /* padding-top: 100px; */
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
    float: right;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 36px;
    text-decoration: none;
    font-size: 25px;
  }
  
  /* Change the color of links on hover */
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  /* Add a color to the active/current link */
  .topnav a#active {
    background-color: #4CAF50;
    color: white;
    float: left;
  }
  body{
    background-image: url("images/background.gif");
    background-size: cover;
    
    
    
    height: 100vh;
    padding:0;
    margin:0;
}