div#main-feature {
  position: relative;
  margin-bottom: 18px;
}

div#main-feature p.image {
  display: block;
  margin: 0;
}
div#main-feature p.image img {
  display: block;
}
div#main-feature p.caption {
  color: #fff;
  background: #000;
  opacity: 0.5;
  filter: alpha(opacity=50);
  cursor: pointer;
  margin: 0;
  padding: 5px;
  position: absolute;
  bottom: 0;
  width: 460px;
}