body {margin:0; background-color:#231f20; }
#center {width:100%; height:380px; position:absolute; top:50%; left:0; margin:-160px auto auto -0px; text-align:center;}
#centervid {width:100%; height:430px; position:absolute; top:50%; left:0; margin:-215px auto auto -0px; text-align:center;}