* {
    margin: 0;
  }
  
  ul {
      list-style-type: none;
      margin: 0;
      padding: 0;
      overflow: hidden;
      background-color: #646464;
      font-family: Arial;
    }
    
    li {
      float: left;
    }
    
    li a {
      display: block;
      color: white;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;
    }
  
    li a:hover {
      background-color: #306998;
    }
    h3 {
      font-size: 165%;
      background-color: lightblue;
    }
   p {
      font-size: 165%;
      background-color: lightblue;
    }