@mixin section-block-base($heading_font_size) {
  margin:  5px 0px;

  .section-block-heading {

    color:     black;
    font-size: $heading_font_size;

    a { 
      font-size: $heading_font_size; 
    }
  }

  .section-block-body {
    margin:  $heading_font_size/2 0px 0px;
    padding: 0px 0px 0px $heading_font_size;
  }
}

.section-block-section {
  @include section-block-base(22px);
}


.section-block-section.nesting-2 {
  @include section-block-base(14px);

  .section-block-heading {
    font-style: italic;
  }
}