I don't think that you should be in the habit of making technical decisions based on the number of videos or something. Take 1.5 minutes to read a web page on f

I don't think that you should be in the habit of making technical decisions based on the number of videos or something. Take 1.5 minutes to read a web page on flex box and realize that it consists of putting boxes into boxes, deciding the alignment and how much space they will take up. I haven't watched the videos but it seems strange that there are 20 of them.