<style type="text/css">

html, body {
height: 100%;
width: 100%;
}

body {

background: url(../background.jpg) ;

}







#srodek { 	
 position: absolute;
 width: 800px;
 height: 600px;
 top: 80px;
 left: 50%;
 margin-left: -400px;


}



