ul#slideshow {
  background: #000000;
  height: 520px;
  margin: 20px 0;
  padding: 0;
  width: 100%;
  position: relative;
}

ul#slideshow li {
  display: block;
  height: 480px;
  top: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  text-align: center;
  width: 100%;
}

ul#slideshow li table {
	border-collapse:collapse;
	border-spacing:0;
	width: 100%;
	height: 480px;
}

ul#slideshow li table td {
	width: 100%;
	height: 480px;
	vertical-align: middle;
	text-align: center;
}
  
ul#slideshow li img {
  border: 1px solid #333;
}