added promos.css
added code to highlight navigation
added billboard and custom billboard titles
added title to thank-you.hmtl
adjusted descriptions in about.html
updates to promo-small.html
deleted cupcake3.jpg
added cupcake images
updated css for promos and header
updated index.html and about.html
added if statement for show.banner
added updates for promo-large
updated css for grids.css
updated html for promo-small.html