System Font

Boost website performance by using the system font of a user operating system because the browser doesn’t have to download any font files.

Set of @font-face rules created by Jonathan Neal let us use the native system font of the OS running the browser.

Install

This package can be installed with npm: npm install --save system-font-css.

Jekyll

In Jekyll, importing the SASS partial directly from node_modules directory won’t work so we have to copy the package to _sass directory manually or using npm copy ncp package:

ncp node_modules/system-font-css/ _sass/system-font-css/

Load

Import SCSS partial:

// System system fonts
@import "system-font-css/_system-font";

Use

body {
    font-family: system-ui;
}
blockquote {
    font: italic 300 system-ui;
}

System font offers eight variations of the system-ui font family:

  • light (300)
  • light italic
  • normal (400)
  • normal italic
  • medium (500)
  • medium italic
  • bold (700)
  • bold italic
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