.wp-bannerize-ul-column {
  -webkit-column-count: 3;
  -moz-column-count: 3;
  column-count: 3;
}
.wp-bannerize-scroll {
  border: 1px solid #ddd;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  height: 200px;
  overflow-y: scroll;
  padding: 0 8px 8px;
  -moz-box-shadow: inset 0px 2px 6px #ddd;
  -webkit-box-shadow: inset 0px 2px 6px #ddd;
  box-shadow: inset 0px 2px 6px #ddd;
}