Diigo Bookmarks 12/14/2018

2018年12月14日 著

• Richard Branson Welcomes Astronauts Home from Virgin Galactic's Historic First Spaceflight

  "The spectacular spaceflight, which was witnessed by a large crowd of staff and their families, as well as special guests and media, saw a 60 second planned rocket motor burn which propelled VSS Unity to almost three times the speed of sound and to an apogee of 51.4 miles."

• Why AddThis chose to integrate with AMP - Accelerated Mobile Pages Project

  "Over the past year we've been extremely excited to share that AddThis released Share Buttons available as an AMP component."

• Accessibility Pro Certified: To Be or Not To Be - 24 Accessibility

  "The IAAP Certifications are helping create and/or validate accessibility professionals. Did you know that more than 900 certifications have already been achieved since the first exam debuted on March 22, 2016?"

• Managing Flow and Rhythm with CSS Custom Properties ◆ 24 ways

  "What this code does is enable you to add a class of flow to an element which will then add margin-top to sibling elements within that element. We use the lobotomised owl selector to select these siblings."

• Performance Calendar » data-s(h)aver strategies

  "More and more people are making use of the data saver mode built into their browser (Opera Turbo, Yandex Turbo Mode, Chrome Data Saver). As website owners we should listen and serve a lightweight version when the data-saver request header is present."

• 5 Ways Facebook Scales Their Design System - Framer

  "Product designer Jeff Smith shares insight, expert advice and actionable tips based on the design process at Facebook."

• An Introduction to CSS Shapes | Codrops

  "CSS Shapes allow us to make interesting and unique layouts by defining geometric shapes, images, and gradients that text content can flow around. Learn how to use them in this tutorial."