Update type on 'Why We Made This Guide' page

Need to adjust the type on the 'Why We Made This Guide' page as follows:

[ ] 'Why We Made This Guide' Heading to 52px
[ ] increase h2 heading (e.g. "Privacy. Security. Safety") to 30px and change to Open Sans (font-weight 300), with 1.85 rem line-height
[ ] increase the body copy size to 20px
[ ] Increase max-width of page to 900px
[ ] Change body copy links (e.g. "Then we did a survey") colour to #03a8a8
[ ] make sure all fonts are in #000000
[ ] make sure footer is in Open Sans with black background on this page
[ ] make body copy line-height: 1.6rem
[ ] make body copy font-weight of 300

mozilla / advocacy.mozilla.org