cheatsheets/_sass/2017/utils/heading-style.scss

@mixin heading-style {
  margin: 0;
  padding: 0;
  margin-bottom: 16px + 8px;
  margin-top: 64px;
  position: relative;

  @media (max-width: 768px) {
    margin-bottom: 8px;
    margin-top: 32px;
  }

  @media (max-width: 480px) {
    margin-bottom: 8px;
    margin-top: 32px;
  }
}