html {
    font-size: 18px;
  }
  @media (max-width:  768px)  {
    html {
      font-size: 15px;
    }
  }
  
  
  .title {
      background:#00acee;
      color:white;
      text-align:center;
  }
  .title a {
      text-decoration:none;
      color:inherit;
  }
  .title a:hover {
      text-decoration:none;
      color:inherit;
  }
  
  .search_area {
      margin:1rem;
  }
  .sitelink_area {
      margin:0.5rem;
      
  }
  .sitelink {
      font-size:1.5rem;
  
  }
  .url {
      font-size:0.8rem;
      color:dimgray;
  }
  .caution {
      text-size:0.8rem;
      font-weight:bold;
      color:crimson;
  }