.disclosure-nav {
    background-color: #eee;
    display: flex;
    list-style-type: none;
    padding: 0;
  }
  
  .disclosure-nav ul {
    background-color: #eee;
    border: 1px solid #005a9c;
    border-top-width: 5px;
    border-radius: 0 0 4px 4px;
    display: block;
    list-style-type: none;
    margin: 0;
    min-width: 200px;
    padding: 0;
    position: absolute;
  }
  
  .disclosure-nav li {
    margin: 0;
  }
  
  .disclosure-nav ul a {
    border: 0;
    color: #000;
    display: block;
    margin: 0;
    padding: 0.5em 1em;
    text-decoration: underline;
  }
  
  .disclosure-nav ul a:hover,
  .disclosure-nav ul a:focus {
    background-color: #ddd;
    margin-bottom: 0;
    text-decoration: none;
  }
  
  .disclosure-nav ul a:focus {
    outline: 5px solid rgba(0, 90, 156, 0.75);
    position: relative;
  }
  
  .disclosure-nav button {
    align-items: center;
    border: 1px solid transparent;
    border-right-color: #ccc;
    display: flex;
    padding: 1em;
  }
  
  .disclosure-nav button::after {
    content: "";
    border-bottom: 1px solid #000;
    border-right: 1px solid #000;
    height: 0.5em;
    margin-left: 0.75em;
    width: 0.5em;
    transform: rotate(45deg);
  }
  
  .disclosure-nav button:focus {
    border-color: #005a9c;
    outline: 5px solid rgba(0, 90, 156, 0.75);
    position: relative;
  }
  
  .disclosure-nav button:hover,
  .disclosure-nav button[aria-expanded=true] {
    background-color: #005a9c;
    color: #fff;
  }
  
  .disclosure-nav button:hover::after,
  .disclosure-nav button[aria-expanded=true]::after {
    border-color: #fff;
  }