...Semantic UI utilizes concise HTML, intuitive JavaScript and simplified debugging, making front-end development an absolute dream for developers.
Semantic UI is partnered with popular frameworks React, Angular, Meteor, Ember and many others so you can easily integrate it and organize your UI layer with your application logic.
Semantic UI comes with over 3,000 high level theming variables and just about every layout option you can think of, giving you complete design freedom. It also has over 50 UI components enabling you to build your entire site with just one stack and share your UI between a number of different projects.