Flex Resource #1
We did reference this website in class. I did find it helpful and have saved it to my bookmarks. This site goes over all of the flexbox properties and simplifies them with easy to follow examples. It is laid out in a way that it is quick and easy to pull up and find the information you are looking for.
Flex Resource #2
This website continued to show examples and explain how the flex properties work. There were really great interactive tools on this site that shows you the differences as you move around containers. This helps to understand what flex does when used.
Flex Resource #3
This is a simple easy no frills reference guide. You can pull it and easily see the different ways of using flex properties.
Summary
Using the flex display enhances how your site works. It simplifies the way to create layouts moving away from having to use positioning and floats.