Use Next-gen CSS Today (Post CSS Configs)

In this Hasty Treat, Scott and Wes talk about next generation CSS that you can use today with PostCSS including importing, nesting, variables, media query ranges, custom media queries, and more.

Prismic - Sponsor

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Sentry - Sponsor

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Show Notes

• 00:27 Welcome
• 01:30 Sponsor: Prismic
• 02:54 Sponsor: Sentry
• 03:53 Do we use Post CSS?
• 05:22 Presets and plugins
• 06:19 Plugins we're using

"postcss-import"

@import './elements/headings.css';

• 09:48 PostCSS Nested
• 12:59 Variables (Custom Properties)
• 15:50 Media Query Ranges
• PostCSS Media Minmax
• 17:16 Custom Media Queries

"postcss-media-minmax"

@media screen and (width >= 500px) and (width <= 1200px)

"postcss-custom-media"

@custom-media --below_small (width < env(--small_bp));

@media (--above_small) {}

• 18:35 Env Vars

"postcss-env-function"

env(--small_bp)

• 20:12 Color Function and Color Function Notation

/* color-function */
p {
  color: color(display-p3 1 0.5 0);
  color: color(display-p3 1 0.5 0 / .5);
}

• Syntax 479: CSS Color Functions
• Post CSS Color Functional Notation
• Post CSS Preset Env

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