.div_remen2 {
    width: 1200px;
    margin: auto;
}
#newsdiv {
    text-align: left;
    background-color: #FFFFFF;
    width: 900px;
    margin: auto;
    padding: 50px;
    box-shadow: 2px 4px 10px #000;
    overflow: hidden;
}
.div_remen2 li {
    float: left;
    list-style: none;
    width: 240px;
    height: 160px;
    margin: 20px;
    border: solid 1px #999999;
    display: table;
    text-align: center;
}
.div_remen2 li img {
    width: 240px;
    margin-top: 20px;
}
.div_remen2 li:hover {
    background-color: #efefef;
}