Changed container formatting

Because overflow is not conducive to to pretty css thingies.
Re-ordering of transition syntax

Because my OCD cropped up.
Added universal transitions
Header margin changes

Because there was a weird blank square thing that wouldn’t go away.
Misc extra lines
Added intro background colour
Added triangle at bottom of section
Portrait formatting
Squares after portrait
Tagline formatting
Added code to remove -margin
Random deletions
Changed "say hi" --> "contact"
Removed portrait class, added clear fix to tagline
Removed extraneous space