metamask-extension/ui/app/pages/swaps/build-quote/index.scss

.build-quote {
  display: flex;
  flex-flow: column;
  align-items: center;
  flex: 1;
  width: 100%;
  padding-top: 4px;

  &__content {
    display: flex;
    height: 100%;
    flex-direction: column;
    padding-left: 24px;
    padding-right: 24px;
  }

  &__content {
    display: flex;
  }

  &__dropdown-swap-to-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 0;
    margin-bottom: 12px;
  }

  &__dropdown-input-pair-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    margin-bottom: 12px;
    flex: 0.5 1 auto;
    max-height: 56px;
  }

  &__title,
  &__input-label {
    @include H5;

    font-weight: bold;
    color: $Black-100;
    margin-top: 3px;
  }

  &__swap-arrows-row {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    padding-right: 16px;
    padding-top: 12px;
    height: 24px;
    position: relative;
  }

  &__swap-arrows {
    flex: 0 0 auto;
    height: 16px;
    width: 12px;
    cursor: pointer;
    background: unset;
  }

  &__max-button {
    @include H7;

    color: $Blue-500;
    cursor: pointer;
  }

  &__balance-message {
    @include H7;

    width: 100%;
    color: $Grey-500;
    margin-top: 4px;
    display: flex;
    flex-flow: column;

    &--error {
      div:first-of-type {
        font-weight: bold;
        color: $Black-100;
      }

      div:last-of-type {
        font-weight: normal;
        color: $Grey-500;
      }
    }
  }

  &__slippage-buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 32px;
  }

  &__open-dropdown,
  &__open-to-dropdown {
    max-height: 330px;
    box-shadow: 0 0 14px rgba(0, 0, 0, 0.18);
    position: absolute;
    width: 100%;
  }

  &__open-to-dropdown {
    max-height: 194px;

    @media screen and (min-width: 576px) {
      max-height: 276px;
    }
  }

  /* Prevents the swaps "Swap to" field from overflowing */
  .dropdown-input-pair__to .dropdown-search-list {
    width: 100%;
  }
}