下划线跟着走的导航效果
效果图: css部分: <style type="text/css"> .navCon{ min-width: 1200px; height: 43px; margin: 0 auto; position: relative; } .navCon ul li{ float: left; list-style-type: none; background: #f1eeee; } .navCon ul li a{ display: inline-block; padding: 10px 20px; text-decoration: none; color: red; } .navCon ul li:hover{ background: #cacaca; } .navCon ul li:hover a{ color: #002A80; } .navCon ul li.active{ background: #cacaca; border-bottom: 2px solid #000000; } .navCon ul li.active a{ color: #002A80; } .bottomLine{ width: 0px; height: 2px; background: black; position: absolute; bottom: 0px; } .clear{ clear: