.tree-menu{background: #1B3B5A; }

.tree-menu ul { list-style: none; padding-left: 10px; }

.tree-menu > ul { padding: 0; }

.tree-menu a {
  display: block;
  vertical-align: middle;
  text-decoration: none;
  padding: 6px;
  background-color: #f3f3f3;
  margin-bottom: 1px;
  color: #545454;
  -moz-transition: background-color 0.25s linear;
  -webkit-transition: background-color 0.25s linear;
  -o-transition: background-color 0.25s linear;
  transition: background-color 0.25s linear;
  -moz-transition-delay: 0.15s;
  -webkit-transition-delay: 0.15s;
  -o-transition-delay: 0.15s;
  transition-delay: 0.15s;
}

.tree-menu a:hover {
  color: #fff;
  -moz-transition: background-color 0.1s linear;
  -webkit-transition: background-color 0.1s linear;
  -o-transition: background-color 0.1s linear;
  transition: background-color 0.1s linear;
}

.tree-menu .active > a:hover,
.tree-menu .selected > a,
.tree-menu a:hover { background-color: #c6c6c7; }

.tree-menu .selected > a {
  color: #fff;
  font-weight: normal;
  text-decoration: none;
}

.tree-menu .active > a { background-color: #e1e3e9; }

.tree-menu .closed > a,
.tree-menu .opened > a {
  padding-left: 24px;
  background-position: 4px 10px;
  background-repeat: no-repeat;
}

.tree-menu .closed > a { background-image: url(img/icon-expand.gif); }

.tree-menu .opened > a { background-image: url(img/icon-collapse.gif); }