body {
          padding: 2em;
          font-family: Verdana;
          font-size: 1.5rem;
      }

      h1 {
         color: teal;
         font-size: 3rem;
      }

      .container {
         width: 80%;
         max-width: 60em;
         padding: 0px 2em;
      }

      .warning {
           padding: 1em;
           background-color: #f2dede;
           color:  #a94442;
           border-color: #ebccd1;
           border-radius: 5px;
      }

      .imp {
          color: firebrick;
          font-weight: bold;
      }