css/modules/primer-utilities/lib/typography.scss

// stylelint-disable block-closing-brace-space-before, primer/selector-no-utility, selector-list-comma-newline-after
// stylelint-disable comment-empty-line-before
// Type scale variables found in primer-support/lib/variables.scss
// $h00-size-mobile: 40px;
// $h0-size-mobile: 32px;
// $h1-size-mobile: 26px;
// $h2-size-mobile: 22px;
// $h3-size-mobile: 18px;
// $h00-size: 48px;
// $h0-size: 40px;
// $h1-size: 32px;
// $h2-size: 24px;
// $h3-size: 20px;
// $h4-size: 16px;
// $h5-size: 14px;
// $h6-size: 12px;

/* Set the font size to 26px */
.h1 {
  font-size: $h1-size-mobile !important;

  @include breakpoint(md) { font-size: $h1-size !important; }

}

/* Set the font size to 22px */
.h2 {
  font-size: $h2-size-mobile !important;

  @include breakpoint(md) { font-size: $h2-size !important; }
}

/* Set the font size to 18px */
.h3 {
  font-size: $h3-size-mobile !important;

  @include breakpoint(md) { font-size: $h3-size !important; }

}

/* Set the font size to #{$h4-size} */
.h4 {
  font-size: $h4-size !important;

}

/* Set the font size to #{$h5-size} */
.h5 { font-size: $h5-size !important; }

// Does not include color property like typography base
// styles, color should be applied with color utilities.
/* Set the font size to #{$h6-size} */
.h6 { font-size: $h6-size !important; }

// Heading utilities
.h1, .h2, .h3, .h4, .h5, .h6 { font-weight: $font-weight-bold !important; }

// Type utilities that match type sale
/* Set the font size to 26px */
.f1 {
  font-size: $h1-size-mobile !important;

  @include breakpoint(md) { font-size: $h1-size !important; }

}

/* Set the font size to 22px */
.f2 {
  font-size: $h2-size-mobile !important;

  @include breakpoint(md) { font-size: $h2-size !important; }
}

/* Set the font size to 18px */
.f3 {
  font-size: $h3-size-mobile !important;

  @include breakpoint(md) { font-size: $h3-size !important; }

}

/* Set the font size to #{$h4-size} */
.f4 {
  font-size: $h4-size !important;

  @include breakpoint(md) { font-size: $h4-size !important; }

}

/* Set the font size to #{$h5-size} */
.f5 { font-size: $h5-size !important; }
/* Set the font size to #{$h6-size} */
.f6 { font-size: $h6-size !important; }

// Type utils with light weight that match type scale
/* Set the font size to 40px and weight to light */
.f00-light {
  font-size: $h00-size-mobile !important;
  font-weight: $font-weight-light !important;

  @include breakpoint(md) { font-size: $h00-size !important; }

}

/* Set the font size to 32px and weight to light */
.f0-light {
  font-size: $h0-size-mobile !important;
  font-weight: $font-weight-light !important;

  @include breakpoint(md) { font-size: $h0-size !important; }

}

/* Set the font size to 26px and weight to light */
.f1-light {
  font-size: $h1-size-mobile !important;
  font-weight: $font-weight-light !important;

  @include breakpoint(md) { font-size: $h1-size !important; }

}

/* Set the font size to 22px and weight to light */
.f2-light {
  font-size: $h2-size-mobile !important;
  font-weight: $font-weight-light !important;

  @include breakpoint(md) { font-size: $h2-size !important; }

}
// Same size and weight as .lead but without color property
/* Set the font size to 18px and weight to light */
.f3-light {
  font-size: $h3-size-mobile !important;
  font-weight: $font-weight-light !important;

  @include breakpoint(md) { font-size: $h3-size !important; }

}

// Smallest text size
/* Set the font size to ${#h6-size} */
.text-small { font-size: $h6-size !important; } // 12px

/* Large leading paragraphs */
.lead {
  margin-bottom: 30px;
  font-size: $h3-size;
  font-weight: $font-weight-light;
  color: $gray-600;
}

// Line-height variations
// Close to commonly used line-heights. Most line-heights
// combined with type size equate to whole pixels.
// Will be improved with future typography scale updates.
/* Set the line height to ultra condensed */
.lh-condensed-ultra { line-height: $lh-condensed-ultra !important; }
/* Set the line height to condensed */
.lh-condensed { line-height: $lh-condensed !important; }
/* Set the line height to default */
.lh-default { line-height: $lh-default !important; }

// Text alignments
/* Text align to the right */
.text-right { text-align: right !important; }
/* Text align to the left */
.text-left { text-align: left !important; }
/* Text align to the center */
.text-center { text-align: center !important; }

// Responsive text alignment
// .text-md-left, .text-lg-right, ...
@each $breakpoint in map-keys($breakpoints) {
  @include breakpoint($breakpoint) {
    .text-#{$breakpoint}-right { text-align: right !important; }
    .text-#{$breakpoint}-left { text-align: left !important; }
    .text-#{$breakpoint}-center { text-align: center !important; }
  }
}

// Text styles
/* Set the font weight to normal */
.text-normal { font-weight: $font-weight-normal !important; }
/* Set the font weight to bold */
.text-bold { font-weight: $font-weight-bold !important;}
/* Set the font to italic */
.text-italic { font-style: italic !important; }
/* Make text uppercase */
.text-uppercase { text-transform: uppercase !important; }
/* Underline text */
.no-underline { text-decoration: none !important; }
/* Don't wrap white space */
.no-wrap { white-space: nowrap !important; }
/* Normal white space */
.ws-normal { white-space: normal !important; }
/* Allow long lines with no spaces to line break */
.wb-break-all { word-break: break-all !important; }

.text-emphasized {
  font-weight: $font-weight-bold;
  color: $text-gray-dark;
}

// List styles
.list-style-none { list-style: none !important; }

// Text Shadows
/* Add a dark text shadow */
.text-shadow-dark {
  text-shadow: 0 1px 1px rgba($black, 0.25), 0 1px 25px rgba($black, 0.75);
}
/* Add a light text shadow */
.text-shadow-light {
  text-shadow: 0 1px 0 rgba($white, 0.5);
}