Very well done visually speaking. Seems to be done using only javascript and CSS3 animations. Also, easy to read code: javascript: https://stripe.com/javascrip

Very well done visually speaking. Seems to be done using only javascript and CSS3 animations. Also, easy to read code: javascript: https://stripe.com/javascripts/showcase.js https://stripe.com/javascripts/showcase.js css: https://stripe.com/css/style.css https://stripe.com/css/style.css (search for the 'animation' comment)