#waterwheel-carousel {
  width:940px;
  height:325px;
  position:relative;
  margin:130px auto 0 auto;
}
#waterwheel-carousel img {
  visibility:hidden; /* hide images until carousel positions them */
  cursor:pointer;
}

#next {width:21px; height:30px; position:absolute; top:500px; right:50%; display:block; cursor:pointer; z-index:1000; margin:auto -480px auto auto;}
#prev {width:21px; height:30px; position:absolute; top:500px; left:50%; display:block; cursor:pointer; z-index:1000; margin:auto auto auto -480px;}