Update style.css

Custom styles that were previously applied separately on spectro.
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
temporary fix for testing secondary school css files
fixed toggle sub-nav
Revert "fixed toggle sub-nav"

This reverts commit 4405960e8cbd1b11bf3fb614647b90936f62d66d.
fixed sub-nav-bar
Merge remote-tracking branch 'origin/dev-rizwan'

Conflicts:
	css/style.css
Merge branch 'master' of https://github.com/wrdsb/wordpress-theme

Conflicts:
	css/style.css