--- layout : 'default' css : 'index' title : 'Introduction' type : 'Semantic' ---
1.0.0 Beta

Semantic UI HTML | is the vocabulary of the web.

Download Now

Unbelievable Theming

Semantic provides true design freedom. Change the look and feel of your components with just a few variables.

View
Add to Cart
Save for Later
Rate
1
2
3

3000+ CSS Variables

The only dogma from this framework: everything arbitrary is mutable.

View Themes

50+ UI Definitions

Build your entire site with one UI stack. Share your UI between multiple projects.

Browse UI

2200+ Commits

Semantic UI is a free open source project already used in multiple large scale production environments.

Visit GitHub

Unbelievable Breadth

Definitions aren't limited to just buttons on a page. Semantic's components fall into four categories, elements, collections, modules, and views which cover the gamut of interface design.

Accordion

Input

Search

Label

jkitsune@newrepublic.com
23 New Dresses

Message

We're creating your profile page

It will be ready in just a second.

Card

Add Friend
Steve Jobes
Steve Jobes is a fictional character designed to resemble someone familiar to readers.

Feed

Elliot Fu added you as a friend
You added Jenny Hess to the group Close Friends

Dropdown

Checkbox

Simplify Your Codebase

Semantic's design is based around common usage, using features of natural language like, plurality, tense, and word order to make your code self-explanatory.

Liberate your Development

Enterprise Ready

Build tools, performance logging, support for custom definitions, multiple-levels of theme inheritanceance—a developer's wet dream.

View Expert Guide

Beginner Friendly

Don't feel comfortable tweaking everything? Download free community designed themes and use our customizer to build a package fit for your needs.

View Basic Guide