Discuz公告效果（自动换行，无间隙滚动）_javascript技巧: ul { padding-right: 0px; padding-left: 0px; padding-bottom: 0px; margin: 0px; padding-top: 0px } #announcement { width:100%; background:url(img/menu_bg.gif) repeat; overflow: hidden; } #announcement div { border: #e6e6e6 1px solid; p