.logintopbox1 {
    width: 100%;
    height: 10%;
    background-color: white;
    font-family: "黑体";
    height:50px;
    background-color:#42b6f5;
}

.logintopbox1 dl {
    width: 100%;
    height: 100%;
}


.logintopimg1 {
    background: url(../images/wd_ret.png) no-repeat;
    background-size: 14px auto;
    width: 5%;
    height: 50%;
    margin-left: 5%;
    float: left;
    margin-top: 3.5%;
}