Modern Web Design with HTML5, CSS3, and JavaScript - Cascading Style Sheets (CSS) Font Sizes

The video tutorial explains various methods to set font sizes in CSS, including using em, pixels, percentages, and REM units. It covers the dynamic nature of em values, the precision of pixel units, and the flexibility of percentage and REM units. The tutorial also discusses absolute size keywords and how parent elements can influence font size settings.

What is the significance of using pixel values for font size?

Describe how absolute size keywords affect font size.

What effect does changing the parent font size have on child elements?