A delightful guide from Pierrick Calvez. Click the screenshot (from a section representing “contrast”) for the five-minute guide.
Some rights reserved 2020 Right Reading. This work is licensed under a Creative Commons (attribution, noncommercial, no derivs: 3.0) License (US), although some of the work this blog incorporates may be separately licensed. Text and images by Thomas Christensen unless otherwise noted. For print permissions or other inquiries please request via rightreading.com/contact.htm.