vant-weapp/packages/picker/index.less

@import '../common/style/var';
@import '../common/style/theme.less';

.van-picker {
  position: relative;
  overflow: hidden;
  -webkit-text-size-adjust: 100%; /* avoid iOS text size adjust */
  user-select: none;
  .theme(background-color, '@picker-background-color');

  &__toolbar {
    display: flex;
    justify-content: space-between;
    .theme(height, '@picker-toolbar-height');
    .theme(line-height, '@picker-toolbar-height');
  }

  &__cancel,
  &__confirm {
    .theme(padding, '@picker-action-padding');
    .theme(font-size, '@picker-action-font-size');
    .theme(color, '@picker-action-text-color');

    &--hover {
      .theme(background-color, '@picker-action-active-color');
    }
  }

  &__title {
    max-width: 50%;
    text-align: center;
    .theme(font-weight, '@font-weight-bold');
    .theme(font-size, '@picker-option-font-size');
  }

  &__columns {
    position: relative;
    display: flex;
  }

  &__column {
    flex: 1 1;
    width: 0;
  }

  &__loading {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    .theme(background-color, '@picker-loading-mask-color');
  }

  &__loading .van-loading,
  &__frame {
    position: absolute;
    top: 50%;
    left: 0;
    z-index: 1;
    width: 100%;
    transform: translateY(-50%);
    pointer-events: none;
  }
}