* { font-family: "Arial", sans-serif; }

#wrap { text-align: center; }

#bar {
   margin: 0 auto;
   width: 250px;
   height: 10px;
   text-align: left;
   border: 1px solid black;
}

#progress {
   width: 0;
   height: 100%;
   background: #FFFF00;
}