Check if a chosen HTML tag can be nested inside another HTML tag according to the spec.
Universe of UI elements made with CSS & HTML, ready to be used in your project. All code is open-source and free for personal or commercial use.
Minimal snippets for modern CSS layouts and components.
A Geocities theme for Twitter Bootstrap, from Divshot.
A simple hand drawn HTML/CSS theme.
CUBE CSS is a CSS methodology that’s orientated towards simplicity, pragmatism and consistency. It’s designed to work with the medium that you’re working in—often the browser—rather than against it.
Code generators to help you with your front-end web projects. CSS, HTML, OpenGraph, JSON, Meta Tags, Twitter Cards and more.
Collection of common CSS mistakes, and how to fix them.
A tiny, Sass-powered design-token led utility class generator, with handy helpers, that helps you to power your front-ends with a single source of truth.
Generate HTML code for a variety of inputs, media, text & more.
Handy guide to every HTML element there is. Replace your divs with more semantic markup.
Short code snippets ready to use covering CSS, JS, React, Python, Git and more.