added flexbox mixin. minimized the amount of nesting. changed _normalize.css to overwrite -webkit useragent stylesheet for <p> element since it was adding extra padding/margin. did some <nav> and <ul> styling. eh. you know. a day in the trenches? day? DAY?! did that light weight say DAY?! he only spent like 20 minutes on this edit. givem a break. he's a noober. he'll come around soon enough