webpack-bootstrap-ui-kit/src/scss/_typography.scss

.bg-dark {
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  .h1,
  .h2,
  .h3,
  .h4,
  .h5,
  .h6,
  .typography,
  a {
    color: $white;
  }
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6,
ul,
ol,
p {
  &:last-child {
    margin-bottom: 0;
  }
}

.typography {
  @include clearfix;

  @import "./types/editor";

  > *:first-child {
    margin-top: 0;
  }

  > *:last-child {
    margin-bottom: 0;
  }
}