Justify and Align
The New Layout Standard For The Web: CSS Grid, Flexbox And Box Alignment — Smashing Magazine
Box alignment in grid layout - CSS: Cascading Style Sheets
Create responsive layouts using Flex Grid
Define Root Colors Variables and Set up Box-Sizing for a CSS Layout
grid-row CSS-Tricks - CSS-Tricks
Grid Classes - Automatic.css
Building Production-Ready CSS Grid Layouts Today — Smashing Magazine
A Complete Guide to CSS Grid
Build Smart CSS-only Layouts with Flexbox
Centering and Aligning Items in CSS Grid - Joomlashack
How to Build Your Own CSS Grid Container
Align box overview - Webflow University Documentation