plugins/org.eclipse.oomph.setup.doc/html/tree.css

.te {
  white-space: nowrap;
  margin-bottom: 1px;
}

.pe {
  white-space: nowrap;
  margin-bottom: -1px;
  padding-right: 10px;
  border-width: 1px;
  border-style: solid;
  border-color: #e3e3e3;
}

a:link.nosel, a:visited.nosel {
  text-decoration: none;
  color: #000000;
  padding-left: 3px;
  padding-right: 3px;
  padding-bottom: 1px;
}

a:hover.nosel {
  text-decoration: none;
  color: #000000;
  padding-left: 2px;
  padding-right: 2px;
  padding-bottom: 1px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  border-width: 1px;
  border-style: solid;
  border-color: #b9d7fc;
  background-color: #f7faff;
}

a:link.sel, a:visited.sel {
  text-decoration: none;
  color: #000000;
  padding-left: 2px;
  padding-right: 2px;
  padding-bottom: 1px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  border-width: 1px;
  border-style: solid;
  border-color: #84acdd;
  background-color: #dfeeff;
}

a:hover.sel {
  text-decoration: none;
  color: #000000;
  padding-left: 2px;
  padding-right: 2px;
  padding-bottom: 1px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  border-width: 1px;
  border-style: solid;
  border-color: #7da2ce;
  background-color: #d1e4fd;
}