@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/* ::::: lines connecting cells ::::: */

tree[seltype="cell"] > treechildren::-moz-tree-line,
tree[seltype="text"] > treechildren::-moz-tree-line,
treechildren::-moz-tree-line {
  border: 1px dotted ThreeDShadow !important;
  visibility: visible !important;
}

tree[seltype="cell"] > treechildren::-moz-tree-line(active, selected, focus),
treechildren::-moz-tree-line(selected, focus) {
  border: 1px dotted HighlightText !important;
}

/* ::::: twisty :::::  */

treechildren::-moz-tree-twisty {
  padding-right: 4px !important;
  padding-top: 1px !important;
  width: 9px !important; /* The image's width is 9 pixels */
  list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAJCAYAAADgkQYQAAAAdUlEQVQYlX3QoQrFMAyF4fOyYyp5z6019bF1MYGainCua7mMLXDgF58KRO5DtdS3idwHVEvlx6mWutCck3NOAlj9QBHBiCCA1X8oMwngsczcaIxBM6OZEcDqMcZG7s7WGltrBLDa3TfqvfNtqqVC5Dq//3SdPxiq7XT1XKacAAAAAElFTkSuQmCC") !important;
}

treechildren::-moz-tree-twisty(open) {
  width: 9px !important; /* The image's width is 9 pixels */
  list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAJCAYAAADgkQYQAAAAYklEQVQYlX3QIQ4AIQxE0V6WoNp7QjF4LK6GpAbRdN2STbNM8txXA4g1EXH7g1gTEHHzy4i4vdHeOwjRWiv4RGbmABCY2YlU1ccYgaqeSES89x6IyInmnP6HiBsglnz/qeQHS2H4OfnMHA4AAAAASUVORK5CYII=") !important;
}

treechildren::-moz-tree-indentation {
  width: 18px !important;
}