.cont{
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
}

.cons-dv {
    width: 520px;
    padding-top: 50px;
    margin:140px auto 230px auto;
    height: 280px;
    padding-left: 250px;
}

.cons-404{
    background: url("../../img/chucuo.png") no-repeat;
    background-position: 0 50px;
}

.cons-cnotfound{
    background: url("../../images/zhengshushanchu.png") no-repeat;
    background-position: 0 50px;
}

.cons-404 > h2 {
    margin-top: 15px;
    font-size: 20px;
    font-weight: bold;
}

.cons-cnotfound > h2{
    margin-top: 110px;
    font-size: 20px;
    font-weight: bold;
}

.cons-dv > ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.cons-dv > ul > li {
    line-height: 30px;
}