The Flexbox Guide
Getting started with FlexBox
Align items and justify content - Create Web Page Layouts With CSS - OpenClassrooms
html - Flexbox: center horizontally and vertically - Stack Overflow
How to Center a Button Using CSS Flexbox
html - Flexbox: center horizontally and vertically - Stack Overflow
How to Center in CSS with Flexbox
A Complete Guide to Flexbox | CSS-Tricks - CSS-Tricks
CSS Flexbox Tutorial: Learn About CSS Flex With Flexbox Examples
Getting Started with CSS Flexbox Basics | by Laina Karosic | Medium
Aligning items in a flex container - CSS: Cascading Style Sheets | MDN
The Ultimate Guide to Center Align - CSS - DEV Community
css - Flexbox - center horizontally without flex-direction: column - Stack Overflow
Display Flex Align Items: Tutorial (Examples)
align-content | CSS-Tricks - CSS-Tricks
align-items | CSS-Tricks - CSS-Tricks
How to Center in CSS with Flexbox
Applying CSS Flexbox To Pseudo-Elements
Aligning items in a flex container - CSS: Cascading Style Sheets | MDN
