1. Code My UI
There are 453 CSS UI Design Examples on Code My UI
You'll find pure CSS examples or HTML elements created with only CSS to give it some sassy effects.
Typically, one would use JS or other things to achieve similar effects, but CSS alone can be used.
There are a lot of CSS only code snippets in here, ranging from accordions to sliders to dropdown menus.
You can recreate these effects on your website without any coding knowledge by using the code snippets in this section.
3. CSS Deck
4. Design Bombs
Code snippets for teams and individuals.
My Blog:- Beginner Developer Blog