.jcarousel {
  position: relative;
  overflow: hidden;
  /* You need at least a height, adjust this to your needs */

  height: 100px;
}
.jcarousel ul {
  width: 20000em;
  position: absolute;
  list-style: none;
  margin: 0;
  padding: 0;
}
.jcarousel li {
  float: left;
}