body {
  font-family:verdana,sans-serif;
}

.draggable {
  background:red;
  color:white;
  font-weight:bold;
  width:20em;
  margin:.5em;
  cursor:pointer;
  padding:2px;
}

.handle {
  background:white;
  color:red;
}

.target {
  border:1px solid black;
  width:20em;
  height:5em;
}

.proxy {
  background-color:green;
}

/* temporary classes controlled by JavaScript */

.selected {
  border:1px solid black;
}

.hovered {
  background-color:yellow;
}

.primed {
  border: 2px solid blue;
}