/*************
 * Expanders *
 *************/
expander {
  arrow {
    min-width: 16px;
    min-height: 16px;
    -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');

    &:dir(rtl) { -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl'); }

    &:hover { color: lighten($fg_color,30%); } //only lightens the arrow

    &:checked { -gtk-icon-source: -gtk-icontheme('pan-down-symbolic'); }
  }
}