* { padding: 0; margin: 0; }
#content { width: 823px; height: 363px; border: 1px solid #ccc; margin: 30px auto 0; overflow:hidden; }
#content li { list-style: none; }
#content ul { width: 3300px; height: 363px; }
#content ul li { width: 125px; height: 363px; float: left; position: relative; overflow:hidden; }
#content li.active { width: 448px; }
#content span { width: 125px; height: 363px; padding-top: 0px; border-right: 1px solid #fff; position: absolute; top: 0; right: 0; color: #fff; font-size: 12px; text-align: center; cursor: pointer; }