.paintarea {
}

.paintareacell {
  width: 40px;
  height: 40px;
  border: 1px solid grey;
}

.paletteitem {
  width: 40px;
  height: 40px;
  border: 1px solid grey;
  display: inline-block;
}

.paletteitem.selected {
  border: 1px solid red;
}