.preview-list-wrapper {
  overflow-y: scroll;
  overflow-x: hidden;
  height: 100%;
}

.preview-list {
  list-style-type: none;
  padding-right: 7px;
}

.preview-tile {
  position: relative;
  border: #444 3px solid;
  border-radius: 3px;
}

.preview-tile:hover {
  border: #999 3px solid;
}

.preview-tile .tile-overlay {
  z-index: 10;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 0;
  height: 30px;
  width: 30px;
  border: none;
}

.preview-tile:hover .tile-overlay {
  opacity: 1.0;
}

.tile-overlay.tile-count {
  display: block;
  opacity: 0.5;
  border-bottom-right-radius: 3px;
  top: 0;
  left: 0;
  font-size: 14px;
  line-height: 30px;
  color: white;
  font-weight: bold;
  text-align: center;
  cursor: default;
}

.preview-tile .tile-overlay.delete-frame-action {
   background-image: url(../img/garbage.png);
   background-repeat: no-repeat;
   top: 0;
   right: 0;
   border-bottom-left-radius: 3px;
   height: 30px;
   width: 30px;
   background-position: 5px 5px;
   background-size: 20px;
   cursor: pointer;
}

.preview-tile .tile-overlay.duplicate-frame-action {
   bottom: 0;
   right: 0;
   border-bottom-left-radius: 3px;
   background-image: url(../img/duplicate.png);
   background-repeat: no-repeat;
   background-position: 5px 5px;
   background-size: 20px;
   cursor: pointer;
}

.preview-tile .tile-overlay.dnd-action {
   bottom: 0;
   left: 0;
   border-top-right-radius: 3px;
   background-image: url(../img/dragndrop.png);
   background-repeat: no-repeat;
   background-position: 5px 5px;
   background-size: 20px;
   cursor: move;
}

.preview-tile.selected {
  border-color: gold;
}

.preview-tile.selected:after {
  content: " ";
  position: absolute;
  top: 38px;
  right: -15px;
  border: transparent 4px solid;
  border-left-color: gold;
  border-width: 6px;
  border-style: solid;
}


/**
 *  Drag n drop styles.
 */

.preview-tile.ui-draggable-dragging {
  opacity: 0.3;
}


.preview-tile.droppable-active {
  background-color: pink;
}

.interstitial-tile.droppable-hover-active {
  background-color: purple;
}

.preview-tile.droppable-hover-active {
  background-color: yellow;
}

.interstitial-tile {
  visibility: hidden;
  background-color: blue;
  height: 10px;
}

.show-interstitial-tiles .interstitial-tile {
  visibility: visible;
}