.css { display: what? }

Resources

Display & Layout

• MDN web docs: Display
• MDN web docs: CSS layout

Flexbox

• MDN web docs: Using CSS Flexible Boxes
• CSS-Tricks: A Compete Guide to Flexbox

Grid

• CSS-Tricks: A Complete Guide to Grid
• Firefox Devtools: Introduction to CSS Grid Layout

Cascading & Inheritance

• CSS Cascading and Inheritance