The state of CSS in 2022

 https://web.dev/state-of-css-2022/

Lots of new features, not sure when they'll be widely available. 

Centering in CSS

 https://web.dev/centering-in-css/

five centering techniques, and which works best across various constraints. 

Tailwind CSS tutorial: learn how to build websites using a utility-first CSS framework

 https://themesberg.com/blog/tailwind-css/tutorial

needs more tooling than Bootstrap, and has a different philosophy. 

A utility-first CSS framework for rapidly building custom designs.

https://tailwindcss.com/
Is this the successor to Bootstrap?

Old CSS, new CSS

https://eev.ee/blog/2020/02/01/old-css-new-css/
good history of CSS

How to Use New CSS “:is()” for Easy Element Targeting

https://webdesign.tutsplus.com/articles/new-css-is-for-easy-element-targeting--cms-34223
useful new css property is()

Solved by Flexbox

https://philipwalton.github.io/solved-by-flexbox/
How to solve actual page layout problems with flexbox, including the holy grail layout.

Grid tutorial

http://grid.malven.co/
Grid tutorial

Lesser-known CSS properties in GIFs

https://medium.com/@PavelLaptev/lesser-known-css-properties-in-gifs-966a143497ba?ref=devawesome.io
Some up-and-coming CSS properties, animated.

How to Easily Build Desktop Apps with HTML, CSS and Javascript

https://medium.freecodecamp.org/how-to-easily-build-desktop-apps-with-html-css-and-javascript-d3e3f03f95a5
Interesting intro to Electron: turning web pages into desktop apps.

6 Popular CSS Frameworks to Use in 2019

https://scotch.io/bar-talk/6-popular-css-frameworks-to-use-in-2019/amp
Some of the usual suspects: Bootstrap, Foundation, but some new ones as well.

Block-Element-Modifier

https://en.bem.info/methodology/quick-start/
Block-Element-Modifier web design

The Complete CSS Flex Box Tutorial

https://medium.com/@js_tut/the-complete-css-flex-box-tutorial-d17971950bdc
Another one-page FlexBox summary.

Modern CSS Explained For Dinosaurs

https://medium.com/actualize-network/modern-css-explained-for-dinosaurs-5226febe3525
From the basics of CSS to today's dizzing array of preprocessors

How to make responsiveness super simple with CSS Variables

https://medium.freecodecamp.org/how-to-make-responsiveness-super-simple-with-css-variables-8c90ebf80d7f
CSS variables and grid layout combine to make responsive grids much easier.

Learn CSS Variables in 5 minutes

https://medium.freecodecamp.org/learn-css-variables-in-5-minutes-80cf63b4025d
The latest CSS goodness is: variables!! at long last. One less reason to use SASS.

The Best JavaScript and CSS Libraries for 2017

https://tutorialzine.com/2017/12/the-best-javascript-and-css-libraries-for-2017
Somewhat opinionated list of the best JavaScript and CSS libraries for 2017

Why CSS Grid is better than Bootstrap for creating layouts

https://hackernoon.com/how-css-grid-beats-bootstrap-85d5881cf163
Good take on why CSS Grids beat Bootstrap. The only problem is that Bootstrap's more than just a grid.

15 Interesting JavaScript and CSS Libraries for October 2017

https://tutorialzine.com/2017/10/15-interesting-javascript-and-css-libraries-for-october-2017
Draggable from the Shopify folks looks particularly interesting.

The All-New Guide to CSS Support in Email

https://www.campaignmonitor.com/blog/email-marketing/2017/09/all-new-guide-css-support-email/
Guide to which CSS elements work in which email clients. Still a sorry state of affairs.