gecko-dev/themes/classic/navigator/unix/pageInfo.css

.title {
  font-weight: bold;
  margin-bottom: 1em;
  font-size: larger;
}
tree {
  height: 100px;
  margin-bottom: 1em;
}
treerow {
  background-color: #ebebcc;
}
treecell { border-left: 1px solid #cccccc; border-top: 1px solid #cccccc; }