Just some stuff about me.
Here's my dotfiles repository.
What links here:
Original source: https://www.internetingishard.com/html-and-css/flexbox/
Flex container groups flex items. Every HTML element that’s a direct child of a flex container is an “item”.
To create flex container, add display: flex.
On container:
justify-content: define primary axis (default horizontal) alignment of flex items

justify-content: distributing items

align-items: define secondary axis (default vertical) alignment of flex items

flex-wrap: wrapping flex items 
flex-direction: whether primary axis is vertical or horizontal 
flex-direction: order of items 
On items:
initial means fixed to its width