body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  padding: 2px;
  width: 100%;
}

/*
#availableList {
  border: 2px solid green;
}

#selectedList {
  border: 2px solid red;
}
*/

.category-list,
.item-list {
  border: 1px solid #ccc;
  padding: 2px;
  margin: 2px;
  width: 100%;
  height: 100%;
  float: left;
}

.item-list div {
  margin: 2px;
  padding: 2px;
  background-color: #eee;
  border: 2px solid #ddd;
  border-radius: 2px;
  max-width: 108px;
  float: left;
}

.item-list span {
  width: 96px;
  height: 64px;
  display:inline-block;
}

.item-list div img {
  width: 96px;
  height: 96px;
}

.item-list div:hover {
  background-color: #ddd;
}