#nav-menu .dropdown {
    position: relative;
    display: inline-block;
  }
  
  #nav-menu .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f8f8f8;
    min-width: 190px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  #nav-menu .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  #nav-menu .dropdown-content a:hover {background-color: #ddd;}
  #nav-menu .dropdown:hover .dropdown-content {display: block;}
  
  @media only screen and (max-width: 420px) {
      .btn-blue, .btn-rose, .btn-green, .btn-yellow, .btn-yellow-gradient {
          font-size: 14px;
          padding: 0 20px;
          overflow: visible;
      }
      #header_main_visits {
      height: 900px;
  }
  }
  .adaptive_vid {
      max-width: 853px;
      margin: 0 auto;
  }