/* Czytelne chevrony rozwijanego menu */
.site-header .has-sub > a {
  padding-right: 30px !important;
}

.site-header .has-sub > button {
  top: 0;
  right: 2px;
  width: 28px;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: #738196;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.site-header .has-sub > button::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin-top: -4px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform .18s ease, margin .18s ease;
}

.site-header .has-sub.sub-open > button::after {
  margin-top: 4px;
  transform: rotate(225deg);
}

@media (max-width: 900px) {
  .site-header .has-sub > button {
    right: 2px;
    width: 44px;
  }

  .site-header .has-sub > button::after {
    width: 7px;
    height: 7px;
  }

}