<style>
.menu-link { display: none;}
.menu { 
  float: left;
  -webkit-transition: all 0.3s ease;  
  -moz-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  transition: all 0.3s ease; 
}
.menu ul { 
  padding: 0px;
  margin: 0px;
  list-style: none;
  position: relative;
  display: inline-table;
}
.menu > li > ul.sub-menu {
	min-width: 10em;
	padding: 4px 0;
	background-color: #f4f4f4;
	border: 1px solid #CCC;
}
.menu ul li { padding: 0px; }
.menu > ul > li { display: inline-block; }
.menu ul li a { display: block; text-decoration: none; color: #000; font-size: .9em; }
.menu ul li > a { height:58px; padding: 19px 12px; }
.menu ul ul { 
  display: none; 
  position: absolute; 
  top:100%;
  min-width: 160px;
  background-color: #f4f4f4;
  border: 1px solid #CCC;
}
.menu ul li:hover > ul { display: block; }
.menu ul ul > li { position: relative; }
.menu ul ul > li a { padding: 5px 15px 5px 10px; height: auto; background-color: #A7C942; }
.menu ul ul > li a:hover { background-color: #a7c982; color: #fff; }
.menu ul ul ul { position: absolute; left: 100%; top:0; }

@media all and (max-width: 768px) {
  .example-header .container { width: 100%; }
  /* text of Menu Button */
  a.menu-link { display: block; color: #A7C942; background-color: #333; float: left; text-decoration: none; padding: 10px 10px;}
  .menu { clear: both; min-width: inherit; float: none; }
  /*Menuebene 1 */
  .menu, .menu > ul ul { overflow: hidden; max-height: 0; background-color: #a7c962; }
  .menu > li > ul.sub-menu { padding: 0px; border: none; }
  .menu.active, .menu > ul ul.active { max-height: 55em; }
  .menu ul { display: inline; }
  .menu > ul { border-top: 1px solid #808080; }
  .menu li, .menu > ul > li { display: block; }
  .menu li a { color: #000; display: block; padding: 0.8em; border-bottom: 1px solid #808080; position: relative; }
  .menu li.has-submenu > a:after {
    content: '+';
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    font-size: 1.5em;
    padding: 0.55em 0.5em;
  }
  .menu li.has-submenu > a.active:after {
    content: "-";
  }
  /*Menuebene 2 */
  .menu ul ul > li a { background-color: #A7C942; height:58px; padding: 19px 18px 19px 30px; }
  .menu ul ul, .menu ul ul ul { display: inherit; position: relative; left: auto; top:auto; border:none; }
}
</style>