.searchword { background-color: yellow;}<script type="text/javascript" src="http://js.tongji.cn.yahoo.com/778484/ystat.js"></script><noscript><a href="http://tongji.cn.yahoo.com"><img src="http://img.tongji.cn.yahoo.com/778484/ystat.gif"/></a></noscript>