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Bootstrap/docs/content/typography.md
Igor Tarasov 18258cbd99 Fix docs for heading sizes (#20646) 
* Fix docs for heading sizes (sizes here were from v3)
* Added rem sizes to header size docs
* Fixed erroneous px sizes
2016-09-07 20:44:28 -07:00

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layout title group
docs Typography content

Bootstrap includes simple and easily customized typography for headings, body text, lists, and more. For even more control, check out the [textual utility classes]({{ site.baseurl }}/components/utilities/).

Contents

  • Will be replaced with the ToC, excluding the "Contents" header {:toc}

Global settings

Bootstrap sets basic global display, typography, and link styles. Specifically, we:

  • Use a native font stack that selects the best font-family for each OS and device.
  • Use the $font-family-base, $font-size-base, and $line-height-base attributes as our typographic base applied to the <body>.
  • Set the global link color via $link-color and apply link underlines only on :hover.
  • Use $body-bg to set a background-color on the <body> (#fff by default).

These styles can be found within _reboot.scss, and the global variables are defined in _variables.scss.

Headings

All HTML headings, <h1> through <h6>, are available.

h1. Bootstrap heading

 Semibold 2.5rem (40px)

h2. Bootstrap heading

 Semibold 2rem (32px)

h3. Bootstrap heading

 Semibold 1.75rem (28px)

h4. Bootstrap heading

 Semibold 1.5rem (24px)
h5. Bootstrap heading
 Semibold 1.25rem (20px)
h6. Bootstrap heading
 Semibold 1rem (16px)

{% highlight html %}

h1. Bootstrap heading

h2. Bootstrap heading

h3. Bootstrap heading

h4. Bootstrap heading

h5. Bootstrap heading
h6. Bootstrap heading
{% endhighlight %}

.h1 through .h6 classes are also available, for when you want to match the font styling of a heading but cannot use the associated HTML element.

{% example html %}

h1. Bootstrap heading

h2. Bootstrap heading

h3. Bootstrap heading

h4. Bootstrap heading

h5. Bootstrap heading

h6. Bootstrap heading

{% endexample %}

Customizing headings

Use the included utility classes to recreate the small secondary heading text from Bootstrap 3.

{% example html %}

Fancy display heading With faded secondary text

{% endexample %}

Display headings

Traditional heading elements are designed to work best in the meat of your page content. When you need a heading to stand out, consider using a display heading—a larger, slightly more opinionated heading style.

Display 1

Display 2

Display 3

Display 4

{% highlight html %}

Display 1

Display 2

Display 3

Display 4

{% endhighlight %}

Lead

Make a paragraph stand out by adding .lead.

{% example html %}

Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Duis mollis, est non commodo luctus.

{% endexample %}

Inline text elements

Styling for common inline HTML5 elements.

{% example html %}

You can use the mark tag to highlight text.

This line of text is meant to be treated as deleted text.

This line of text is meant to be treated as no longer accurate.

This line of text is meant to be treated as an addition to the document.

This line of text will render as underlined

This line of text is meant to be treated as fine print.

This line rendered as bold text.

This line rendered as italicized text.

{% endexample %}

.mark and .small classes are also available to apply the same styles as <mark> and <small> while avoiding any unwanted semantic implications that the tags would bring.

While not shown above, feel free to use <b> and <i> in HTML5. <b> is meant to highlight words or phrases without conveying additional importance while <i> is mostly for voice, technical terms, etc.

Text utilities

Change text alignment, transform, style, weight, and color with our [text utilities]({{ site.baseurl }}/components/utilities/#text-alignment).

Abbreviations

Stylized implementation of HTML's <abbr> element for abbreviations and acronyms to show the expanded version on hover. Abbreviations with a title attribute have a light dotted bottom border and a help cursor on hover, providing additional context on hover and to users of assistive technologies.

Add .initialism to an abbreviation for a slightly smaller font-size.

{% example html %}

attr

HTML

{% endexample %}

Blockquotes

For quoting blocks of content from another source within your document. Wrap <blockquote class="blockquote"> around any HTML as the quote.

{% example html %}

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.

{% endexample %}

Naming a source

Add a <footer class="blockquote-footer"> for identifying the source. Wrap the name of the source work in <cite>.

{% example html %}

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.

Someone famous in Source Title
{% endexample %}

Reverse layout

Add .blockquote-reverse for a blockquote with right-aligned content.

{% example html %}

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.

Someone famous in Source Title
{% endexample %}

Lists

Unstyled

Remove the default list-style and left margin on list items (immediate children only). This only applies to immediate children list items, meaning you will need to add the class for any nested lists as well.

{% example html %}

  • Lorem ipsum dolor sit amet
  • Consectetur adipiscing elit
  • Integer molestie lorem at massa
  • Facilisis in pretium nisl aliquet
  • Nulla volutpat aliquam velit
    • Phasellus iaculis neque
    • Purus sodales ultricies
    • Vestibulum laoreet porttitor sem
    • Ac tristique libero volutpat at
  • Faucibus porta lacus fringilla vel
  • Aenean sit amet erat nunc
  • Eget porttitor lorem
{% endexample %}

Inline

Remove a list's bullets and apply some light margin with a combination of two classes, .list-inline and .list-inline-item.

{% example html %}

  • Lorem ipsum
  • Phasellus iaculis
  • Nulla volutpat
{% endexample %}

Description list alignment

Align terms and descriptions horizontally by using our grid system's predefined classes (or semantic mixins). For longer terms, you can optionally add a .text-truncate class to truncate the text with an ellipsis.

{% example html %}

Description lists
A description list is perfect for defining terms.
Euismod
Vestibulum id ligula porta felis euismod semper eget lacinia odio sem nec elit.
Donec id elit non mi porta gravida at eget metus.
Malesuada porta
Etiam porta sem malesuada magna mollis euismod.
Truncated term is truncated
Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
Nesting
Nested definition list
Aenean posuere, tortor sed cursus feugiat, nunc augue blandit nunc.
{% endexample %}

Responsive typography

Responsive typography refers to scaling text and components by simply adjusting the root element's font-size within a series of media queries. Bootstrap doesn't do this for you, but it's fairly easy to add if you need it.

Here's an example of it in practice. Choose whatever font-sizes and media queries you wish.

{% highlight scss %} html { font-size: 14px; }

@include media-breakpoint-up(sm) { html { font-size: 16px; } }

@include media-breakpoint-up(md) { html { font-size: 20px; } }

@include media-breakpoint-up(lg) { html { font-size: 28px; } } {% endhighlight %}