.screen{}

#wrapper .biP {padding:0 0 0 0px; background:url('images/boxWidePurple.gif') 0 0 repeat-y;} 
#wrapper .btP {width:985px; height:17px; margin:0 0px; background:url('images/boxPurpleBlank2.gif') 100% 0 no-repeat;}
#wrapper .btP div {width:12px; height:17px; background:url('images/boxPurpleBlank2.gif') 0 0 no-repeat;}
#wrapper .bbP {width:985px; height:17px; margin:0 0px; background:url('images/boxPurple.gif') 100% 100% no-repeat;}
#wrapper .bbP div {width:12px; height:17px; background:url('images/boxPurple.gif') 0 100% no-repeat;}

.content .main{padding:0 0px 0 0;}
.content .main .bi {min-height:404px; padding:17px 0 17px 12px; margin-right:12px; background:url('images/boxWide.gif') 0 0 repeat-y;} 
.content .main .bt {position:absolute; top:0px; left:0px; height:18px; margin:0 0px; background:url('images/box.gif') 100% 0 no-repeat;}
.content .main .bt div {width:18px; height:18px; background:url('images/box.gif') 0 0 no-repeat;}
.content .main .bb {position:absolute; bottom:-1px; left:0px; height:18px; margin:0 0px; background:url('images/box.gif') 100% 100% no-repeat;}
.content .main .bb div {width:18px; height:18px; background:url('images/box.gif') 0 100% no-repeat;}