div{
    text-align: center;
}
ul { display: inline-block; text-align: left; }

.topnav {
    background-color: rgb(43, 43, 184);
    overflow: hidden;
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }

  /* 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: rgb(17, 6, 85);
    color: white;
  }

  .header {
    padding: 1px;
    text-align: center;
    background:  #db180a;
    color: white;
    font-size: 30px;
  }

  h1 {
    font-family: 'Roboto', sans-serif;
  }