#head nav > ul{display:table;table-layout:auto;box-sizing:border-box}#head nav > ul > li{display:table-cell;text-align:center}#head nav li{position:relative}#head nav a{padding:10px 23px 10px 0;display:block}#head li > ul{display:none;position:absolute;top:100%;left:0;min-width:100%;z-index:1}#head li:hover > ul{display:block}#head li > ul{display:block;transition-property:opacity,visibility;transition-duration:.3s,0s;transition-delay:0s,.3s;visibility:hidden;opacity:0}#head li:hover > ul{transition-delay:0s,0s;visibility:visible;opacity:1}