#wrap-VNINDEX {
    height: 400px;
    width: 100%;
}
#dothiVNINDEX{
    width: 100%;
    height: 100%;
    margin: 0 auto;
}
/* iPhone 4 ----------- */
/*MOBILE*/
@media all and (max-width: 599px){
    #wrap-VNINDEX {
        height: 200px;
        width: 86%;
        margin-top: 5px;
        margin-bottom: 10px;
        margin-left: 4px;
    }

}




/*TABLET*/
@media all and (min-width: 600px) and (max-width:800px){
    #wrap-VNINDEX {
        height: 280px;
        width: 100%;
    }
}