*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;}
ul,li{ list-style:none; }



.txt_con {
    width: 720px;
    height: 405px;
    overflow: hidden;
    position: relative;  
    margin: 40px; 
}

.txt_con ul li {
    color: #666;
    margin-bottom: 5px;
    position: relative;
    padding: 10px 0 10px 0px;
}
 
.txt_con ul li h3 {
    font-size: 16px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden; 
}

.txt_con ul li h3 a {
    color: #000;
}

.txt_con ul li span { 
    line-height: 20px;
    font-size: 12px; 
    display:block;
}

.txt_con ul li p {
    font-size: 14px;
    position: relative;
    z-index: 2;
}