mat-base-typography part 1

theming.scss

@mixin mat-base-typography($config, $selector: '.mat-typography') {
  .mat-h1, .mat-headline, #{$selector} h1 {
    @include mat-typography-level-to-styles($config, headline);
    margin: 0 0 16px;
  }

  .mat-h2, .mat-title, #{$selector} h2 {
    @include mat-typography-level-to-styles($config, title);
    margin: 0 0 16px;
  }

  .mat-h3, .mat-subheading-2, #{$selector} h3 {
    @include mat-typography-level-to-styles($config, subheading-2);
    margin: 0 0 16px;
  }

  .mat-h4, .mat-subheading-1, #{$selector} h4 {
    @include mat-typography-level-to-styles($config, subheading-1);
    margin: 0 0 16px;
  }  
  // ...
}