@media only screen and (min-width : 800px){

    #videocontainer{
        position: absolute;
        width:100%;
        height:auto;
        margin:0;
        padding:0;
    }

    #videocontainermobile{
        position: absolute;
        width:100%;
        height:auto;
        display:none;
    }

}

@media only screen and (max-width : 595px) {
    #videocontainermobile{
        position: absolute;
        width:100%;
        height:auto;
    }

    #videocontainer{
        position: absolute;
        width:100%;
        height:auto;
        display:none;
    }
}