.topnav {
    overflow: hidden;
  }
  
  .topnav a {
    float: left;
    display: block;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    color: #223f61;
  }
  
  /* .topnav a:hover {
      background-color: #ddd;
      color: black;
  } */
  
  .topnav a.active {
    background-color: #04aa6d;
    color: white;
  }
  
  .topnav .icon {
    display: none;
  }
  
  @media screen and (max-width: 800px) {
    header {
      position: fixed;
      width: 100%;
      background-color: white;
      z-index: 2;
    }
    .topnav > .menu {
      background-color: white;
      border-radius: 1rem;
      position: fixed;
      top: 1rem;
      right: 0.25rem;
      left: auto;
      display: none;
      box-shadow: 0 0 2px #aaa; /* for all browsers */
      -moz-box-shadow: 0 0 2px #aaa; /* for old firefox */
      -webkit-box-shadow: 0 0 4px #aaa; /* override for Chrome & Safari */
    }
    .topnav > .menu > a {
      display: block;
      text-align: left;
    }
    .topnav {
      width: 100%;
      position: fixed;
      top: 0px;
      left: 0px;
      z-index: 3;
    }
    .topnav > .container {
      float: right;
      display: block;
      cursor: pointer;
      margin-right: 0.5rem;
      margin-top: 1.25rem;
      position: fixed;
      z-index: 4;
      right: 0.25rem;
    }
  
    .topnav > .container > .bar1,
    .topnav > .container > .bar2,
    .topnav > .container > .bar3 {
      width: 35px;
      height: 5px;
      background-color: #ddd;
      margin: 6px 0;
      transition: 0.4s;
    }
  
    .topnav > .container.change > .bar1 {
      transform: translate(0, 11px) rotate(-45deg);
    }
  
    .topnav > .container.change > .bar2 {
      opacity: 0;
    }
  
    .topnav > .container.change > .bar3 {
      transform: translate(0, -11px) rotate(45deg);
    }
    .topnav > .menu.responsive {
      display: block;
      width: 300px;
    }
    .topnav > .menu > a,
    .topnav > .menu > .dropdown {
      width: 100%;
    }
    .topnav > .menu > .dropdown > .dropdown-content {
      margin: 0px;
      position: relative;
      width: 100%;
    }
    .topnav > .menu > .dropdown > .dropdown-content > a {
      float: none;
    }
  }