Tile leveling system - Top 2019 - tile-leveling-system.com nav background:#FFF;float:left; nav ul text-align:center; nav ul li float:left;display:inline; nav ul li:hover background:#E6E6E6; nav ul li a display:block;padding:5px 25px;color:#444; nav ul li ul margin-left:0;padding-left:0;position:absolute;width:300px;background:#DDD; nav ul li ul li width:300px; nav ul li ul li a displa... http://felixcspuv.blogprodesign.com/12485765/not-known-details-about-preventing-tile-lipping