html, body {font:12px 'Trebuchet MS', Arial, Verdana, Arial, sans-serif; color:#131313;}
body {margin:0; padding:0; background:#131313;}

#principal {position:absolute; left:50%; width:950px; margin-left:-475px; top:50%; height:540px; margin-top:-270px; padding:0;}
#ayser {position:absolute; bottom:-20px; left:410px;}