add gulpfile and sass files to version control
add comment blocks for import sections
add comment blocks for class definitions
reformat code
restructure color declaration
fix right destination folder for minified images
add minified image
compile css
remove image in wrong directory
moved image in right directory
remove unnecessary margin bottom assignment
create folder for shared styles
remove unnecessary social-list class
remove social-list sass file import
fix wrong clearfix extend
remove social-list from html elements