body { background-position: top left;
   font-size: 12px; font-family: arial, sans-serif; }
.msg { top: 100px; text-align: center; font-size: 22px; 
   font-family: verdana, sans-serif; }
.tl100 { position: absolute; left: 0px; top: 0px; width: 100%; height: 100%; }
.link { cursor: pointer; }
.z0 { z-index: 0; }
.z3 { z-index: 3; }