Modern Web Design with HTML5, CSS3, and JavaScript - What is Cascading Style Sheets (CSS) Padding and How to Set Element

The video tutorial explains the differences between padding and margin in CSS, highlighting that padding is inside the border while margin is outside. It demonstrates how to apply padding using shorthand properties and explores the interaction between padding and margin. The tutorial also covers the box-sizing property, particularly the border-box model, which ensures consistent element sizing by including padding and border in the element's total width.

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