This portfolio has been developed on Bootstrap, a web framework that helps developers to work faster keeping responsiveness on their designs. I have also used Skeleton boilerplate, a light framework that is basically a 12-column grid with some style.
Some day this page will have a hexagonal grid based on Jesse Breneman's article. Also, will be the hub for my awesome projects, but by now it is a collection of links to articles i consider interesting.
Smacss stands for Scalable and Modular Architecture for CSS. It is an style approach for styling with CSS, it can be read online or you can download the book.