GOV.UK Accessible Autocomplete Sass

_autocomplete.scss

.autocomplete__wrapper {
  position: relative;
}

.autocomplete__hint,
.autocomplete__input {
  -webkit-appearance: none;
  border: 2px solid;
  border-radius: 0; /* Safari 10 on iOS adds implicit border rounding. */
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  margin-bottom: 0; /* BUG: Safari 10 on macOS seems to add an implicit margin. */
  height: 40px;
  width: 100%;
}

.autocomplete__input {
  background-color: transparent;
  position: relative;
}

.autocomplete__hint {
  color: $govuk-border-colour;
  position: absolute;
}

.autocomplete__input--default {
  padding: 5px;
}

.autocomplete__input--focused {
  outline-offset: 0;
  outline: 3px solid $govuk-focus-colour;
}

.autocomplete__input--show-all-values {
  padding: 5px 35px 5px 5px;
  cursor: pointer;
}

.autocomplete__dropdown-arrow-down {
  z-index: -1;
  display: inline-block;
  position: absolute;
  right: 8px;
  width: 24px;
  height: 24px;
  top: 10px;
}

.autocomplete__menu {
  background-color: govuk-colour("white");
  border: 2px solid govuk-colour("black");
  border-top: 0;
  color: $govuk-text-colour;
  margin: 0;
  max-height: 332px;
  overflow-x: hidden;
  padding: 0;
  width: 100%;
  width: calc(100% - 4px);
}

.autocomplete__menu--visible {
  display: block;
}

.autocomplete__menu--hidden {
  display: none;
}

.autocomplete__menu--overlay {
  box-shadow: rgba(0, 0, 0, 0.256863) 0px 2px 6px;
  left: 0;
  position: absolute;
  top: 100%;
  z-index: 100;
}

.autocomplete__menu--inline {
  position: relative;
}

.autocomplete__option {
  border-bottom: solid $govuk-border-colour;
  border-width: 1px 0;
  cursor: pointer;
  display: block;
  min-height: 26px;
  line-height: 26px;
  position: relative;
}

.autocomplete__option > * {
  pointer-events: none;
}

.autocomplete__option:first-of-type {
  border-top-width: 0;
}

.autocomplete__option:last-of-type {
  border-bottom-width: 0;
}

.autocomplete__option--odd {
  background-color: govuk-colour("grey-4");
}

.autocomplete__option--focused,
.autocomplete__option:hover {
  background-color: $govuk-link-colour;
  border-color: $govuk-link-colour;
  color: white;
  outline: none;
}

.autocomplete__option--no-results {
  background-color: govuk-colour("grey-4");
  color: govuk-colour("grey-1");
  cursor: not-allowed;
}

.autocomplete__hint,
.autocomplete__option {
  padding: 5px;
}

.autocomplete__wrapper input,
.autocomplete__wrapper li {
  font-family: 'nta', Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@include govuk-media-query($from: tablet) {
  .autocomplete__hint,
  .autocomplete__input,
  .autocomplete__option {
    font-size: 19px;
  }

  .autocomplete__hint,
  .autocomplete__input {
    line-height: 25px;
  }

  .autocomplete__wrapper input,
  .autocomplete__wrapper li {
    font-size: 19px;
  }
}