/* css für Hamburgermenü */

nav { font-size: 1.5em; 
      text-decoration: none; }

nav > ul { border: 1px solid #222;
	   left: -400px;
           list-style-type:none;
	   margin: 0;
           padding:5px 20px;
	   position: absolute;
	   top: 50px;
	   transition:all .3s ease;
	   -webkit-transition:all .3s ease;
           background-color:#fff; }

nav > .close, a#nav:target { display: none; }

a:target ~ ul,
a:target ~ .close { display: inline-block; }
a:target ~ ul { left: 0; }