Modern Web Design with HTML5, CSS3, and JavaScript - What is the z-index Cascading Style Sheets (CSS) property and How t

The video tutorial explains the Z index property in CSS, which determines the stacking order of positioned elements. It demonstrates how to update colors and positions to create overlapping elements and how to use Z index values to control which elements appear on top. By setting different Z index values, viewers can learn to manage the visual layering of elements on a webpage.

What is the primary function of the Z-index property in CSS?

• To adjust the width of elements

• To set the font size of elements

• To determine the stacking order of positioned elements

• To change the color of elements

In the example, which color is set to have a higher Z-index value?

• Red

• Green

• Yellow

• Blue

How does changing the Z-index value affect the elements?

• It adjusts the border style of the elements

• It modifies the background image of the elements

• It alters the stacking order of the elements

• It changes the text content of the elements

What happens when you set a higher Z-index value for an element?

• The element is positioned above others with lower Z-index values

• The element moves to the bottom

• The element's size increases

• The element becomes transparent

What is the lowest possible Z-index value?

• 10

• -1

• 0

• 1