$NAMESPACE: simple-tree-table;

.#{$NAMESPACE} {
  &-icon {
    display: inline-block;
    width: 1.5em;
    line-height: 1.5em;
    margin: 0.1em;
    background-color: #eee;
    text-align: center;
    cursor: pointer;
  }
  &-opened &-icon:after {
    content: '-';
  }
  &-closed &-icon:after {
    content: '+';
  }
}