.collapse {
  @include clearfix;
}

.collapsing, .collapse.in {
  margin-left: 1.2em;
}

.collapse-box {
  padding: 0.8em;
  background: $smoke;
}

a[data-toggle="collapse"] {
  @extend .icon;
  @extend .icon--before;
  @extend .icon--root;
  display: block;
  &.collapsed {
    @extend .icon--greater;
  }
}

.drilldown a[data-toggle="collapse"] {
  padding: 0 10px 10px 10px;
}

.drilldown-container.collapse.in,
.drilldown-container.collapsing {
  margin-left: 0;
  margin-bottom: 0;
}