#content {
  left: auto;
  margin: 0 auto;
  width: 564px;
  height: 608px;
  background: transparent url(../images/bg_empty.png) 0 0 no-repeat;
  }
#content a {
  display: block;
  position: absolute;
  width: 470px;
  height: 57px;
  left: 41px;
  top: 358px;
  overflow: hidden;
  text-indent: -9999px;
  background: transparent url(../images/btn_back.gif) center 0 no-repeat;
  }

#content a:hover {
  background-position: center -56px;
  }
#content a:active {
  background-position: center -112px;
  }