.progress {
  position: relative;
  @include rem(height, 20px);
  margin-right: 1rem;
  flex-grow: 1;
  background-color: $white;
  z-index: 1;

  &:after {
    content: '';
    border: 1px solid $hr-border-color;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: -1;
  }

  &--sm {
    @include rem(height, 7px);
    @include rem(border-radius, 4px);

    &:after {
      @include rem(border-radius, 4px);
    }
  }

  &--lg {
    @include rem(height, 20px);
    @include rem(border-radius, 10px);

    &:after {
      @include rem(border-radius, 10px);
    }
  }
}

.progress-bar {
  text-align: center;
  transition: width 1s ease;
}