What is PostCSS and how to configure it
· HTML & CSS
Learn how PostCSS transforms CSS with plugins for autoprefixing, nesting, custom properties, and future syntax.
Category: HTML & CSS
68 questions in HTML & CSS.
How to use Sass and SCSS with React projects
· HTML & CSS
Integrate Sass into React for variables, nesting, mixins, and partials while keeping bundle sizes small.
What is Atomic CSS and how does it work
· HTML & CSS
Understand Atomic CSS, where each class maps to a single declaration, and how libraries like Tailwind implement it.
How to use the Resize Observer API
· HTML & CSS
Monitor element size changes precisely with Resize Observer, a modern alternative to window resize listeners.
What is the Intersection Observer API
· HTML & CSS
Detect when elements enter or leave the viewport efficiently with the Intersection Observer API.
How to use the Fetch API for HTTP requests
· HTML & CSS
Make modern network requests with the Fetch API, handle JSON responses, and manage errors gracefully.
What is the Web Workers API
· HTML & CSS
Learn how Web Workers run JavaScript in background threads to keep the main thread responsive.
How to use the HTML5 Audio API
· HTML & CSS
Control audio playback, volume, and events using the HTML5 audio element and its JavaScript API.
What are CSS layers and the @layer rule
· HTML & CSS
Learn how CSS cascade layers with @layer help you organize and control the precedence of styles across frameworks and teams.
How to create a CSS-only modal overlay
· HTML & CSS
Build an accessible modal dialog using the HTML dialog element and CSS without any JavaScript framework.