devlearn-html-css

Create semantic HTML structures with CSS layouts and responsive adjustments.

1|Updated May 24, 2026
One-click install
npx skills add https://github.com/mrdulasolutions/DevLearn --skill devlearn-html-css
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: devlearn-html-css
Source: https://github.com/mrdulasolutions/DevLearn/tree/main/devlearn-html-css
Command: npx skills add https://github.com/mrdulasolutions/DevLearn --skill devlearn-html-css

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

It helps you produce correct, accessible webpage structure and styling without getting stuck in div soup or layout guesswork.

Core Features & Use Cases

  • Semantic page skeleton: Creates a minimal valid HTML document with meaningful landmarks and the right head metadata for readability and SEO basics.
  • Accessible content + forms: Guides headings, lists, and interactive controls (labels, buttons, focus behavior) so your page works for keyboard and assistive tech.
  • Layout that matches intent: Teaches box model, flexbox for 1D layout, and grid for 2D regions to implement nav, cards, and list layouts.
  • Responsive basics: Adds at least one responsive strategy (breakpoint or fluid constraints) so the page works on mobile.

Quick Start

Ask your agent to turn your provided page idea into a semantic HTML structure with matching CSS layout and at least one mobile-friendly responsive adjustment.

Frequently Asked Questions about devlearn-html-css

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a responsive layout with CSS flexbox and grid?

Build responsive layouts by applying CSS flexbox for one-dimensional arrangements like navigation bars and grid for two-dimensional regions like card layouts, then add media queries to adjust the viewport behavior for mobile screens.

What is semantic HTML and how does it improve accessibility?

Semantic HTML uses meaningful landmark elements like header and main instead of generic div tags, which improves accessibility by helping assistive technologies and keyboards navigate page content while providing basic SEO benefits for readability.

How do I create an accessible form with proper labels and focus behavior?

Create accessible forms by adding explicit label elements for interactive controls and applying focus-visible patterns for buttons, ensuring your page structure works for keyboard navigation and assistive tech without relying on default browser styling alone.

What's the best way to structure a static landing page with HTML and CSS?

Structure a static landing page by starting with a minimal valid HTML document containing meaningful landmarks and head metadata, then apply CSS box model principles and responsive breakpoint strategies to ensure mobile-friendly behavior.

Why does my CSS layout break on mobile screens?

Your CSS layout likely breaks on mobile screens because it lacks a responsive strategy like viewport handling and media queries, meaning you need to add fluid constraints or breakpoints to adjust flexbox and grid arrangements for smaller dimensions.

Do I need a JavaScript framework to build a responsive card layout?

You do not need a JavaScript framework to build a responsive card layout because you can achieve shippable, accessible pages using semantic HTML structure and CSS grid for two-dimensional regions combined with media queries for mobile behavior.