body {
    margin: 0;
    background-color: white;
    box-sizing: border-box;
    width: 100vw;
    height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
  }
  
  .topnav {
    overflow:auto;
    background-color: black;
    width: 100vw;

    
  }
.header{
    padding: 1%;
    color: black;
    background-color: rgb(0,140,128);

}

a {
    text-decoration: unset;
    color: black;
}
  
  .topnav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    background-color: black;
    font-size: 17px;
    margin: 0;
  }
  
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  .topnav a.active {
    background-color: #04AA6D;
    color: white;
  }
  
  .topnav .icon {
    display: none;
  }
  footer {

    position: fixed;
    box-sizing: border-box;
    bottom: 0;
    font-size: 16px;
    font-weight: bold;
    padding-left: 1%;
    color: black;
    background-color: rgb(0,140,128);
    text-align: left;
    width: 100vw;
   
  
}
  
  @media screen and (max-width: 800px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
  }
  
  @media screen and (max-width: 800px) {
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: left;
    }
  }