div, ul, li, a { padding: 0; margin: 0; } .side-bar-container .ul-list { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; width: 100%; height: 100%; font-size: 14px; overflow-x: hidden; overflow-y: scroll; background-color:#fff; } .side-bar-container .ul-list li { list-style: none; } .side-bar-container .ul-list li a { display: block; padding-top: .8em; padding-bottom: .8em; padding-left: 2.6em; color: #000000; text-decoration: none; background-image: url(../image/data_base.gif); background-repeat: no-repeat; background-position: .8em .6em; } /* 鼠标放上去的样式 */ .side-bar-container .ul-list li a:hover { background-color: #E9E9E9; } /* 激活时的样式级别高于鼠标放上去的样式 */ .side-bar-container .ul-list li a.active { background-image: url(../image/data_base_active.gif); background-color: #ABDDE5; }