.vanban{

    margin:5px auto 5px auto;

    width:800px;

    max-width: 80%;

    border:1px solid #cbd1cc;

    border-radius: 5px;

    background: #FFFFFF;

    padding: 30px;

}

.head{

    background:#FFFFFF;

    margin:0px 0px 10px 0px;

    border-bottom: solid 1px #d6d2d2;

    max-width:100%;

}

.anhpixel{

    image-rendering: -moz-crisp-edges;

    image-rendering: -webkit-crisp-edges;

    image-rendering: pixelated;

}

.ds0dau{

    list-style-type: none;

    margin:auto;

    padding: 0%;

    overflow:hidden;

    width:800px;

    max-width:100%;

}

.ds0dau>li{

    float:left;

    margin: 0% 0% 0% 2%;

    padding:0px;

    /* background: red; */

}

.ds0dau>li>a{

    padding: 10px;

    display:block;

    text-align: center;

    font:20px bold;

    color: #000000;

    /* font: arial, sans-serif; */

}

.ds0dau>li>a:hover{

    background: #cbd1cc;

}

.imgf{

    float: right;

}

.bogoc{

    border-radius: 50%;

}

.bangten{

    width: 500px;

    margin: auto;

}

.bangten td{

    width: 50%;

    background:#9ebae6;

    text-align: center;

}

.bangtreo{

    position: fixed;

    display:inline-block;

    right:0%;

    top:80%;

    /* background: red; */

    width:100px;

    height: 100px;

    /* overflow: display; */

}

.bangtreo:hover .tentreo{

    display: block;

}

.bangtreo .tentreo{

    position: absolute;

    display: none;

    /* background: green; */

    /* width:100px;

    height: 100px; */

    bottom: 100%;

    right:0%;

}