Every text and background colour pair in the design system was measured for contrast before the site was built; body text pairs measure at least 4.5 to 1 and form borders at least 3 to 1. Every page has one main heading and headings in order. Every photograph is decorative or carries a text alternative. Every link and control is at least 44 pixels tall. Body text is 17 pixels on phones. Text over photographs sits on images darkened so white text stays readable. The brief form uses real form fields with visible labels, and every option has a value that matches its label.