.dvscreen{
    position:relative;
    display:block;
    margin:auto;
    overflow:hidden;
}

.dvout{
    position:relative;
    display:block;
    background-color:black;
}

.divin{
    position:relative;
    display:block;
    opacity:1;
}

.imgsc {
    position: relative;
    display: block;
    width:100%;
    margin:auto;
    opacity: 1;
}

.dvhidden{
    position:relative;
    display:block;
    height:0;
    opacity:0;
    overflow:hidden;
}

.imhd{
    position:relative;
}