four courses in the next releases box
layout of activites
removing height of the course-thumb /courses
only three next releases in the home, fixing the position of the buttons (facebook, start course)
fixing main-content margin for mobile (xs)
fixing typo
fixing margin-top
fixing margin-top
import flatui less in main.less
fix verbatim positions
fixing background
Merge branch 'layout'
Merge branch 'layout' of github.com:hacklabr/timtec into layout
fixing responsiviness of next releases box
fixing layout of courses list
fixing layout of the course
fixing layout of lesson
Merge branch 'master' into layout
update home background images