CSS

https://cssreference.io

https://stateofcss.com

https://news.ycombinator.com/item?id=30512512 - https://lexoral.com/blog/you-dont-need-js/

https://maintainablecss.com

58 bytes of CSS to look great nearly everywhere - https://gist.github.com/JoeyBurzynski/617fb6201335779f8424ad9528b72c41

Defensive CSS - https://defensivecss.dev

https://moderncss.dev/12-modern-css-one-line-upgrades

https://moderncss.dev/contextual-spacing-for-intrinsic-web-design

https://cssguidelin.es - High-level advice and guidelines for writing sane, manageable, scalable CSS

https://stylelint.io - https://github.com/stylelint/stylelint

Cascade

https://css-tricks.com/dont-fight-the-cascade-control-it/

https://css-tricks.com/css-cascade-layers/

https://wattenberger.com/blog/css-cascade

!important: https://twitter.com/stevenpemberton/status/1505839184287870981

ul lists

Remove bullets:

ul {
  list-style-type: none;
}

See list-style-type on MDN for other nice options.

Creative list styling - https://web.dev/creative-list-styling/