patterns.css

[argyleink]

best if they're one-liners

[argyleink]

repeating-conic-gradient(red 0% 25%, tan 0% 50%) 50%/ 4em 4em - https://codepen.io/thebabydino/full/OJmpzya

[argyleink]

more from Ana! https://css-tricks.com/background-patterns-simplified-by-conic-gradients/

[argyleink]

https://bansal.io/pattern-css

[Afif13]

I made a small website with patterns that can be interesting: https://github.com/Afif13/CSS-Pattern

For the sake of simplicity, I am using background and background-size but we can integrate the size in the shorthand to have a one line code.