This guide explains how and why to use the CSS Clearfix method to help with HTML content overflow. Sample images and code are provided for assistance.
CSS clear Property (With Examples)
display: flow-root, a clearfix replacement
Saying Goodbye to the overflow: hidden Clearing Hack
CSS floats and Clearfix - DEV Community
CSS Float - Scaler Topics
Quick Guide to CSS for Back-end Developers
A new micro clearfix hack – Nicolas Gallagher
html - What is a clearfix? - Stack Overflow
20 CSS clearfix hack
CSS Exercise
CSS Guide to Using the Clearfix Hack