add page title
add app bg color
add app bg color
add column structure
add page header styles
add border-top
add site-wide header
add page-header to pledge
add page-header to authorization
add page-header to challenge
add nav-dots and prelimnary styles
add subheader to selection and styles
add subheader to pladge
add subheader to authorization
add subheader to challenge
add nav-dots to pledge
add content and basic styles for instructions page
formatting and nav-dots on authorization
add all page titles
add homepage link to header logo