.govuk-modal-overlay {
  position: fixed;
  z-index: 2;
  background: rgba(0, 0, 0, 0.85);
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 53;
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

.noscroll {
  overflow: hidden;
}

.govuk-modal {
  position: relative;
  z-index: 54;
  top: 30%;
  background: white;
  margin: 2em auto 0 auto;
  border: 4px solid black;
  padding: 1em;
  max-width: 700px;
  width: 100%;
  max-height: 100vh;
  box-sizing: border-box;
  overflow: scroll;
}