px solid #FFF;
      }
      #hamburger:after{
        content: "";
        position: absolute;
        top: 50%;
        left: 30%;
        width: 40%;
        height: 25%;
        border-top: 4px solid #FFF;
      }
    </style>
  </head>
  <body>
    <div id="hamburger"></div>
  </body>
</html>
