removed grey background colour from some sections, ready for new colour
changed 'web' and 'mobile' from h2 to p and made them bold
created new .section--blue for the testimonials section
changed colour in the testimonial section
changed twitter logo in testimonials section to white
swapped testimonial section below technologies and made font size in the footer slightly smaller
reduced the social icons in size and made the footer background dark
darkened the copyright section to compliment the darker footer
updated background colour for social icons and their hover state
updated links in the footer to use blue colour
updated the form button colour
updated pages to have new footer and copyright section colours