From d8e82e2e8fd1ac421177107f4619db8f676813e8 Mon Sep 17 00:00:00 2001 From: Mark Otto Date: Sat, 6 Feb 2016 13:32:53 -0800 Subject: document --- docs/content/reboot.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'docs/content/reboot.md') diff --git a/docs/content/reboot.md b/docs/content/reboot.md index d55230e59..2c65e6e21 100644 --- a/docs/content/reboot.md +++ b/docs/content/reboot.md @@ -32,6 +32,30 @@ The `` and `` elements are updated to provide better page-wide defau - The `` also sets a global `font-family` and `line-height`. This is inherited later by some form elements to prevent font inconsistencies. - For safety, the `` has a declared `background-color`, defaulting to `#fff`. +## Native font stack + +The default web (Helvetica Neue, Helvetica, and Arial) fonts have been dropped in Bootstrap 4 and replaced with a "native font stack" for optimum text rendering on every device and OS. Read more about [native font stacks in this Smashing Magazine article](https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/). + +{% highlight sass %} +$font-family-sans-serif: + // Safari for OS X and iOS (San Francisco) + -apple-system, + // Chrome for OS X (San Francisco) and Windows (Segoe UI) + BlinkMacSystemFont, + // Windows + "Segoe UI", + // Android + "Roboto", + // Linux distros + "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", + // Older Android + "Droid Sans", + // Basic web fallback + "Helvetica Neue", Arial, sans-serif !default; +{% endhighlight %} + +This `font-family` is applied to the `` and automatically inherited globally throughout Bootstrap. To switch the global `font-family`, update `$font-family-base` and recompile Bootstrap. + ## Headings and paragraphs All heading elements—e.g., `

`—and `

` are reset to have their `margin-top` removed. Headings have `margin-bottom: .5rem` added and paragraphs `margin-bottom: 1rem` for easy spacing. -- cgit v1.2.3