Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Ionicons is an open-source icon set crafted for web, iOS, Android, and desktop apps.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Simple parallax scrolling effect.