toolbarspacer {
  width: 15px;
}

toolbarpaletteitem {
  cursor: grab;
}

/* Drag and drop feedback */

toolbarpaletteitem[place="toolbar"] {
  margin-inline: -2px;
  border-inline: 2px solid transparent;
}

toolbarpaletteitem[dragover="left"] {
  border-left-color: #000000;
}

toolbarpaletteitem[dragover="right"] {
  border-right-color: #000000;
}
PK