{ margin:0; padding:0;} a{ color:#00C; text-decoration:none; padding:0 20px;}/*整个页面A标签的属性*/ a:hover{ color:#F00; text-decoration:underline}/*整个页面A标签鼠标滑过属性*/ .one,.two{ width:800px; margin:20px auto; line-height:36px; border:1px solid green;}...