body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
    }

    .topnav {
      overflow:;
      background-color: #797979;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      padding: 10 10;
    }

    .topnav a,
    .dropdown .dropbtn {
      color: white;
      padding: 14px 16px;
      text-decoration: none;
      font-size: 17px;
      border: none;
      background: none;
      cursor: pointer;
    }

    .topnav a:hover,
    .dropdown:hover .dropbtn {
      background-color: #009888;
      color: white;
     padding: 16px 18px;
    }

    .topnav a.active {
      background-color: #126784;
      color: white;
    }

    .dropdown {
      position: relative;
      display: inline-block;
    }

    .dropdown-content {
      display: none;
      position: absolute;
      background-color: #f9f9f9;
      min-width: 160px;
      z-index: 1;
      top: 50px;
      box-shadow: 0px 8px 16px rgba(29, 28, 28, 0.2);
    }

    .dropdown-content a {
      color: black;
      padding: 12px 16px;
      text-decoration: none;
      display: block;
      text-align: left;
    }

    .dropdown-content a:hover {
      background-color: #126784;
    }

    .dropdown:hover .dropdown-content {
      display: block;
    }

    .topnav .icon {
      display: none;
      font-size: 20px;
      padding: 14px 16px;
    }

    @media screen and (max-width: 600px) {
      .topnav a:not(.icon),
      .topnav .dropdown {
        display: none;
      }

      .topnav.responsive {
        flex-direction: column;
        align-items: flex-start;
      }

      .topnav.responsive a,
      .topnav.responsive .dropdown {
        display: block;
        width: 100%;
      }

      .topnav .icon {
        display: block;
        margin-left: auto;
      }

      .dropdown-content {
        position: static;
        box-shadow: none;
        background-color: #f0f0f0;
      }

      .dropdown:hover .dropdown-content {
        display: none;
      }

      .dropdown.responsive-open .dropdown-content {
        display: block;
      }

      .dropdown .dropbtn::after {
        content: " ▼";
      }
    }