.drilldown-menu {
  background-color: #fff;
  overflow-y: scroll;
}
.drilldown-menu--active {
  display: block;
}
.drilldown-menu__list {
  margin: 0;
  padding: 0;
  list-style-type: none;
  display: none;
}
.drilldown-menu__list--active {
  display: block;
}
.drilldown-menu__list--current {
  display: block;
}
.drilldown-menu__item--hidden {
  display: none;
}
.column-heading.drilldown-menu__item {
  padding: 14px 20px;
  font-weight: 700;
}
.drilldown-menu__link {
  padding: 14px 20px;
  display: block;
  text-decoration: none;
  position: relative;
  color: #000;
  -webkit-transition:
    color 0.25s ease-in-out,
    background-color 0.25s ease-in-out,
    background-image 0.25s ease-in-out;
  -moz-transition:
    color 0.25s ease-in-out,
    background-color 0.25s ease-in-out,
    background-image 0.25s ease-in-out;
  transition:
    color 0.25s ease-in-out,
    background-color 0.25s ease-in-out,
    background-image 0.25s ease-in-out;
}
.drilldown-menu__link--back,
.drilldown-menu__link--parent {
  -webkit-background-size: 6px 12px;
  background-size: 6px 12px;
  background-repeat: no-repeat;
}
.drilldown-menu__link--parent {
  background-position: center right 20px;
  background-image: url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000' fill-rule='evenodd'%3E%3Cpath d='M.087 1.656L1.232.318l4.681 5.026-1.145 1.338z'/%3E%3Cpath d='M4.768 5.318l1.145 1.338-4.68 5.026-1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E");
}
.drilldown-menu__link--back {
  background-position: center left 20px;
  background-image: url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000' fill-rule='evenodd'%3E%3Cpath d='M5.913 1.656L4.768.318.087 5.344l1.145 1.338z'/%3E%3Cpath d='M1.232 5.318L.087 6.656l4.68 5.026 1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E");
}
.drilldown-menu__link--hidden {
  display: none;
}
.drilldown-menu__link--parent:hover {
  background-image: url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-rule='evenodd'%3E%3Cpath d='M.087 1.656L1.232.318l4.681 5.026-1.145 1.338z'/%3E%3Cpath d='M4.768 5.318l1.145 1.338-4.68 5.026-1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E");
}
.drilldown-menu__link--back:hover {
  background-image: url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-rule='evenodd'%3E%3Cpath d='M5.913 1.656L4.768.318.087 5.344l1.145 1.338z'/%3E%3Cpath d='M1.232 5.318L.087 6.656l4.68 5.026 1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E");
}