.DS_Store banished
Add positioning to topbar, banner, navbar

- Add center positioning to top bar and constrain content to 1024px
- Add positioning to banner headlines
- Add positioning to navbar
- Fix navbar to float nav element
- Refine footer styling and add copyright
Merge branch 'master' of https://github.com/angeltam/Alcosmart_home

Conflicts:
	.DS_Store
	css/style.css
	index.html