@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
@-moz-document url(chrome://inspector/content/viewers/dom/dom.xul) {
  treechildren::-moz-tree-row(even) {
    background:#efefff;
    color:#000000;
  }
  treechildren::-moz-tree-row(odd) {
    background-color: #feffff;
    color:#000000;
  }
}