Small CSS Reset Library – modern-normalize
modern-normalize is another alternative to CSS resets that can be used to normalize default CSS styles for modern browsers: Chrome, Firefox, and Safari.
CSS & CSS3
Image Hover Zoom In Pure CSS
A smooth image zoomer implemented in pure CSS that enables the visitor to zoom your image on mouse hover and mouse movement.
1kb Responsive CSS Framework – lit.css
lit.css is a minimal (less than 1kb minified) CSS framework to help you create responsive, pretty clean web app.
Generate Shapes Using CSS Gradients
This project showcase how to create shapes (e.g. square, circle, ribbon, triangle, etc) using CSS background and gradient properties.
Elegant Tooltip Library With Pure CSS – eleganttips.css
The eleganttips.css makes it easy to create animated, fully configurable tooltip popups on any DOM element.
Add Angled Edges To Any Elements – angled-edges
Similar to the josephfusco’s angled-edges, this SASS mixin allows you to create angled edges on elements without the need of SVG element.
Themeable Tooltip In Pure CSS – themable-css-tooltip.css
The themable-css-tooltip.css lets you create simple, clean, animated, and customizable tooltips using pure CSS/CSS3.
Minimal Pure CSS Framework – chota.css
chota.css is a super light, pure CSS framework to help you create responsive, minimal, clean web pages and/or modern web apps.
Lightweight Responsive CSS Grid Framework – BackPack.css
BackPack.css is a small CSS grid framework which helps you generate a fully responsive, 12-column based grid layout for modern web design.
Scalable Vector Iconic Font – fontisto
fontisto is a Font Awesome inspired iconic font that contains 260+ scalable vector icons for modern UI/UX design.