18. How can you ensure that an element's width and height include padding and border, but not margin?

Which property can be used to hide an element without affecting the layout of the page?

A). display: none;

B). visibility: hidden;

C). opacity: 0;

D). position: absolute; left: -9999px;

Which CSS property is used to specify the border of an element?

A). border

B). padding

C). margin

D). outline

What happens to an element's total size when padding is added?

A). Increases the element's total size

B). Decreases the element's total size

C). Does not affect the element's total size

D). Increases the content size but not the total size

Which property can be used to center an element horizontally on a webpage?

A). margin: 0 auto;

B). padding: 0 auto;

C). align-items: center;

D). text-align: center;

Which property can be used to set the width and height of an element, including its content, padding, and border?

A). width, height

B). size

C). dimensions

D). scale

What is the purpose of padding in the CSS box model?

A). To create space between the content and the border

B). To create space outside the border

C). To style the border of an element

D). To create space between elements

In the CSS box model, which component surrounds the content and padding?

A). Border

B). Padding

C). Margin

D). Spacing

Which component of the CSS box model refers to the actual content of an element?

A). Content

B). Padding

C). Border

D). Margin

What is the function of the border in the CSS box model?

A). To create a visible boundary around the content and padding

B). To create space between elements

C). To create space outside the border

D). To style the content area

Which CSS property is used to specify the margin of an element?

A). margin

B). padding

C). border

D). spacing