.js-constituencies-map {
  width: 600px;
  height: 500px;
}

@media screen and (max-width: 1087px) and (min-width: 736px) {
  .js-constituencies-map {
    width: calc((100vw - 2 * var(--grid-gap)) / 2);
    height: 400px;
  }
}

@media screen and (max-width: 735px) {
  .js-constituencies-map {
    width: calc(100vw - var(--grid-gap));
    height: 400px;
  }
}