.heading-menu{display:none}
.heading-menu.show{display:block}
#scroll{display:inline-block}
.lhs-tree{position:sticky;top:75px}
.sec-pTB{ padding:0px; }
#lhsTree {
  list-style-type: none;
  max-width: 252px; !important;
  padding: 30px 0 40px;
  width: 100%;
}
.heading-menu h2 {
  display: inline-block;
  line-height: 14px !important;
}