What is the default value of the box-sizing property in CSS?
A). content-box
B). padding-box
C). border-box
D). margin-box
How can you ensure that an element's width and height include padding and border, but not margin?
A). box-sizing: border-box;
B). box-sizing: padding-box;
C). box-sizing: content-box;
D). box-sizing: margin-box;
Which CSS property is used to specify the padding of an element?
A). padding
B). margin
C). border
D). spacing
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 is the purpose of margin in the CSS box model?
A). To create space outside the border, separating elements
B). To create space between the content and the border
C). To style the content area
D). To create space between elements, but inside the border
What happens to an element's total size when margin is added?
A). Increases the space around the element without changing its size
B). Decreases the element's total size
C). Expands the content area without affecting its size
D). Increases the element's total size
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 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
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;