body {font-family: Arial; font-style: normal;} 
#wrapper {padding:0; margin:0 auto; width:800px;} 
#header {width:100%; background:#fff url(../elemek/tech-mobile_logo.jpg) no-repeat top center; height:101px; margin:0;} 
#side_bar{height:100%;} 
#maincontent{padding:0; width:100%; background:#fff; float:right; margin:0;} 
#footer {width:100%; color:#999; padding:0; margin:0; background-color:#000; height:15px; clear:both;} 
#footer p{font-size:11px; margin:3px;}