It would be virtually impossible to create complex text animations only with css transitions. With CoolText you can do that with few lines of javascript or html attributes. It comes with 300 ready-to-use animations and with a tool that let you create your animations packs. You can use it both via javascript and html markup. CoolText lets you animate letters or words, control speed and stagger, create animations sequences and so on. And it's responsive and SEO friendly. CoolText takes advantage of the TweenMax power and of the jQuery flexibility.