HTML & CSS Resources for Web Development

HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) are two of the core technologies for building web applications. If you just get started with web development, it might be hard to navigate around these two technologies, so here are some documentations and references that are super useful and practical.

HTML

1. HTML5 Reference by MDN

If you haven't fully understood all HTML elements, MDN Web Docs provides this excellent reference.

2. HTML Entity Reference by CSS-Tricks

CSS-Tricks wrote this super useful reference article, that gives you HTML entity name, numeric code, hex code, and ISO code. They also have many other helpful articles that will help you improve your web development skills tremendously.

CSS

1. CSS3 Reference by MDN

Similarly, MDN Web Docs provide you with this awesome CSS reference, which will help you build excellent web applications without knowing many CSS properties and rules. 

2. CSS3 Reference by Codrops

Another excellent CSS reference by Codrops. They have many tutorials as well as a playground for you to practice animation effects.

3. Can I Use?

Can I Use provides up-to-date browser support tables for front-end technologies on both desktop and mobile web browsers. Super useful for optimizing web compatibility.

4. 30 CSS Selectors by Tutplus

A complete guide to CSS selectors by Tutplus. Using CSS selectors helps you target the HTML elements on your website that you want to add custom styles.

5. CSS for People Who Hate CSS

CSS can become ugly and hard to manage if you are a beginner and might be writing long unnecessary CSS rules. This article is an excellent guide on how to write better, cleaner, and more reusable CSS code.

6. Clippy

The clip-path property in CSS allows you to make complicated shapes but is often very hard to use. Clippy is a small tool that helps you use the clip-path property more effectively.

7. CSS easing functions

An essential collection of easing functions for usage in CSS transitions and animations.

8. A Complete Guide to CSS Functions by CSS-Tricks

This guide provided by CSS-Tricks will walk you though all functions that can be used in CSS.