How it's done Project guidelines: Use <main> element to define inner pages Create photo page with <img> element Create textual page with <article> element For diptych page, wrap images with <figure> element Use 'layout' attribute to set diptych items spacing Use 'transition' attribute to set incoming page transition Use 'self' attribute to set inner page size (width) Other: Use <aside> element to define sidebar Use <nav> element to create navigation menu Use 'subitem' attribute to define drop-down menu item View source code