Fork and clone the repo. Then edit the "flex-containers.css" file, leaving everything else in the repo alone. Start with Example 1 (".container-1"). Or, you can view the final product, with completed solutions, by going to https://davegregg.github.io/flexbox-demo/
Would you choose a license for this project and add it to this repository? @MohamedHashish42
If this project is intended to be open, some of us can't use it unless it includes a license.
Update Swagger yaml to use Render.com URL