Realocates some global properties from index.scss to layout.scss
Reduces the thickness of typography
Adjusts header's paddings, secondary nav's colors, reduces typography's thickness and more

Also: adds ```transform-origin``` to the original ```transform```
properties;
Rasterizes dropshadow effect from graphics.svg
Substitutes vertical bar to middledot in titles
Adds background and layout sections to conference
Removes useless markup from index.scss