Windows XP CSS Framework – XP.css
A lightweight and easy-to-use CSS framework to create Windows XP style UI elements on the web applications.
Frameworks
Windows 98 CSS Framework – 98.css
98.css is a pure CSS UI framework to build Windows 95 style web UI elements.
CSS Only Neumorphic UI Framework Based On Bootstrap – NenmorphismCSS
Just another CSS only Bootstrap 4 theme to create flat, elegant, Neumorphic style web pages inspired by the new Neumorphism UI design concept.
Modern CSS Framework – aqua.css
aqua.css is a tiny, flexible, elegant CSS framework for modern web and mobile design. Works with native HTML elements and no CSS reset.
Minimalist CSS Framework For Web Design – MVP.css
MVP.css is a lightweight CSS library that helps beginners quickly create responsive, mobile-friendly, minimal clean webpages without writing any JavaScript & CSS codes.
Tiny Neumorphism UI Framework – Skeuos CSS
Skeuos CSS is a lightweight Neumorphism UI Framework to quickly create a Neumorphic (Soft) UI style web application using pure CSS.
Neumorphic Bootstrap Theme For Neumorphism Design Trend – neumorph.scss
neumorph.scss is an SCSS library based on Bootstrap 4 that provides a variety of Neumorphic UI elements to implement the Neumorphism Design Trend on your webpage.
Responsive Flexbox Based CSS Front-end Framework – Griddle
Griddle is a CSS front-end framework that mainly provides a flexbox based grid system for modern mobile-first web design.
Lightweight CSS Framework For Small Applications – softframecss
softframecss is a super tiny, pretty clean, CSS-only front-end framework designed for mobile-first web applications.
Retro 8-bit CSS Front-end Framework – NES.css
NES.css is a CSS front-end framework used to create retro 8-bit web applications inspired by classic NES games. Ideal for the 80s and video game websites & blogs.