kevquirk/simple.css
Simple.css
simple.css is a classless CSS framework that styles plain, semantic HTML with sensible defaults, requiring no CSS classes or JavaScript. It automatically applies a dark color scheme based on system preference, sets responsive typography and spacing from a modular scale, and includes a minimal CSS reset to normalize browser defaults. The entire framework lives in a single file with no dependencies.
The framework uses only element selectors, so any standard HTML page becomes visually presentable with a centered, max-width layout, accessible interactive elements (buttons, forms, navigation), and automatic dark mode. This approach makes it especially useful for formatting technical documentation, creating lightweight content-focused websites, and rapidly prototyping from raw HTML without custom styling work.
Beyond the base typography and layout, simple.css provides consistent styling for tables with alternating rows, images with rounded corners, collapsible accordion sections, colored notice boxes for warnings or tips, and hover and focus states for all interactive controls.
The stylesheet is available as a single CSS file that can be linked into any HTML page—no build tools or configuration are required.
Features
- Classless CSS Frameworks - Applying default styles to plain HTML pages without writing any CSS classes, using only standard semantic elements.
- Base Resets And Normalizers - A lightweight stylesheet that normalizes browser defaults and applies consistent typography, spacing and layout.
- CSS-Only Interactive Effects - Achieves all interactive effects (hover, focus, accordion) purely with CSS without any JavaScript.
- Fixed-Width Containers - Centers content with a fixed maximum width and automatic margins for readability on large screens.
- Dark Mode Strategies - Automatically switches to a dark color palette when the user's system preference is dark.
- Semantic Text Defaults - Provides automatic, consistent typography and spacing for all standard text elements out of the box.
- Default Style Registries - This CSS framework applies default styles to web page elements, including typographic defaults, responsive layout, and automatic dark mode.
- Style Selectors - Applies visual styles exclusively by targeting bare HTML elements without any class or ID selectors.
- Typography Scaling - Establishes consistent font sizes, line heights, and spacing derived from a modular typographic scale.
- Interactive Element Styling - CSS that styles interactive elements like forms, buttons, and navigation with hover, focus, and accent colors.
- Single-File Distributions - The entire stylesheet is contained in one file, requiring no build tools or dependency management.
- Responsive Typography - A CSS system that sets fluid type sizes and spacing for headings, paragraphs, lists, and quotes across viewports.
- Technical Documentation Formatting - Formatting technical content with consistent typography, spacing, and responsive layout using plain HTML tags.
- Minimal Content-Focused Themes - Creating lightweight, content-focused websites that look clean and modern with automatic dark mode support.
- Table and Image Defaults - This CSS framework formats tables with alternating row colors, images with rounded corners and full width, and collapsible sections that expand like an accordion.
- Rapid Prototyping - Quickly turning raw HTML content into a visually presentable page for mockups or drafts without custom styling work.
- Button Styles - This CSS framework styles any element to look and behave like a button for clickable call-to-action.
- Classless Frameworks - Lightweight framework for styling native HTML.
