Merge pull request #16 from KPlanche/master

new tripadvisor image file name tripadvisor-img. do not include file kind name
New icons, changed signup to an input
Merge pull request #17 from onlyandrewn/master

New icons, changed signup to an input
New header image
Merge pull request #18 from onlyandrewn/master

New header image
Darker header
Merge pull request #19 from onlyandrewn/master

Darker header
Alt header
Merge pull request #20 from onlyandrewn/master

Alt header
header img and type styling