div.jd_news_scroll {
    position:relative; overflow:hidden; 
    height:6em;
    border:1px solid #ccc;
    margin:1em 4em;
}
div.jd_news_scroll ul {
    position:relative;
    padding:0 1em;
    margin:0;
}
div.jd_news_scroll ul li {
    height:1.5em; line-height:1.4em; 
    margin:0; padding:0; white-space:nowrap;
    border-bottom:1px dotted #eee;
}