.vertical-tabs__menu {
  margin: -1px 0 -1px;
  /* LTR */
  padding: 0;
}

[dir="rtl"] .vertical-tabs__menu {
  margin-left: 0;
  margin-right: -1em;
  /* This is required to win specificity over [dir="rtl"] .region-content ul */
  padding: 0;
}

.vertical-tabs {
  margin: 0;
  /* LTR */
  border: 1px solid #dee2e6;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -webkit-flex-direction: row;
      -ms-flex-direction: row;
          flex-direction: row;
  font-size: 0.875rem;
}

[dir="rtl"] .vertical-tabs {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
  -webkit-flex-direction: row-reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
  margin-left: 0;
  margin-right: 0;
}

.vertical-tabs__menu {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-flex-wrap: nowrap;
      -ms-flex-wrap: nowrap;
          flex-wrap: nowrap;
  /* LTR */
  width: 15em;
  margin: 0;
  /* LTR */
  padding: 0;
  border-top: 1px solid #dee2e6;
  list-style: none;
}

[dir="rtl"] .vertical-tabs__menu {
  margin-left: 0;
  margin-right: -15em;
}

.vertical-tabs__pane {
  margin: 0;
  border: 0;
}

.vertical-tabs__pane > summary {
  display: none;
}

.vertical-tabs__menu-item {
  border: 1px solid #dee2e6;
  border-top: 0;
  background: #eee;
}

.vertical-tabs__menu-item a {
  display: block;
  padding: 0.5em 0.6em;
  text-decoration: none;
}

.vertical-tabs__menu-item a:focus .vertical-tabs__menu-item-title,
.vertical-tabs__menu-item a:active .vertical-tabs__menu-item-title,
.vertical-tabs__menu-item a:hover .vertical-tabs__menu-item-title {
  text-decoration: underline;
}

.vertical-tabs__menu-item a:hover {
  outline: 1px dotted;
}

.vertical-tabs__menu-item.is-selected {
  border-right-width: 0;
  /* LTR */
  background-color: #fff;
}

[dir="rtl"] .vertical-tabs__menu-item.is-selected {
  border-left-width: 0;
  border-right-width: 1px;
}

.vertical-tabs__menu-item.is-selected .vertical-tabs__menu-item-title {
  color: #000;
}

.vertical-tabs__menu-item-summary {
  display: block;
  margin-bottom: 0;
  line-height: normal;
}