date-selector {
  @include flexbox((display: flex));
  width: 100%;

  select {
    width: auto;

    &.month {
      @include flex(1 0 auto);
      margin: 0 6px;
    }

    &.day,
    &.year {
      @include flex(0 1 auto);
    }
  }

  &.ng-invalid.ng-touched {
    background-color: transparent;
  }
}