html, body{
  border: 0;
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-family: Tahoma;
  background-color: #9753AF;
  color: #fff;
  background-image: url(/bg.jpg);
  background-repeat: repeat-x;
}

    #wrapper{
      width: 500px;
      margin: 0 auto;
      margin-top: 200px;
      text-align: center;
    }