nutui/src/packages/picker/index.scss

.nut-picker {
  &__content {
    position: relative;
    text-align: center;
    overflow-y: hidden;
    flex-grow: 1;
    &:hover {
      cursor: grab;
    }
  }
  &__mask {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(
        180deg,
        hsla(0, 0%, 100%, 0.9),
        hsla(0, 0%, 100%, 0.4)
      ),
      linear-gradient(0deg, hsla(0, 0%, 100%, 0.9), hsla(0, 0%, 100%, 0.4));
    background-repeat: no-repeat;
    background-position: top, bottom;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    pointer-events: none;
  }
  &__bar {
    display: flex;
    height: 56px;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
  }
  &__column {
    display: flex;
  }
  &__left {
    color: #fa2c19;
    font-size: 16px;
  }
  &__item {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 35px;
  }
  &__hairline {
    position: absolute;
    height: 35px;
    width: 100%;
    border: 1px solid #d8d8d8;
    border-left: 0;
    border-right: 0;
  }
}