* {margin:0;padding:0}

html, body{
height:100%;
width:100%;
overflow-x:hidden; 
overflow-y:hidden;
background-color: #000000;
}
#vertical {   
width: 990px; /*--Specify Width--*/  
height: 560px; /*--Specify Height--*/  
position: absolute; /*--Set positioning to absolute--*/  
top: 50%; /*--Set top coordinate to 50%--*/  
left: 50%; /*--Set left coordinate to 50%--*/  
margin: -280px 0 0 -495px; /*--Set negative top/left margin--*/  
background: url(images/background.jpg);
}