.dropdown ul { list-style: none; padding: 0; margin: 0; }
.dropdown ul li { display: block;  position: relative; float: left; white-space: nowrap; }
.dropdown li ul { display: none; }
.dropdown ul li a { display: block; text-decoration: none; white-space: nowrap; }
.dropdown li:hover > ul { display: block; position: absolute; }
.dropdown li:hover li { float: none; }
.dropdown li ul li { border-top: 0; }
.dropdown ul ul ul { left: 100%; top: 0; }
.dropdown ul:before, ul:after { content: " "; display: table; }
.dropdown ul:after { clear: both;}
.dropdown div { padding: 0.5em; cursor: pointer; }