Heaps of Changes

I have revised my typography scale, so I can use more heading elements.

Started on another page called “work” this is the first level of
gallery and will provide links to series of works. Right the markup is
purely positional.

I’ve tidied up my main.scss code and added a much more versatile
flex-box mixin to use.

Created a landing.scss so I can work separate styles for the
index.html. Not completely happy with this implementation but for the
time being it works.