CSS Units and Values Quiz

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Question 1/15

What does the % unit in CSS represent?

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Question 2/15

How is a value of 50% interpreted in terms of length in CSS?

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Question 3/15

What is the difference between 'em' and 'rem' units in CSS?

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Question 4/15

Which unit is known as the root em unit?

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Question 5/15

What unit would you generally not use for a flexible design across devices?

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Question 6/15

In CSS, what unit would you use if you want a value to be proportional to the height of the viewport?

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Question 7/15

If the root font size is 10px, what is 2rem?

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Question 8/15

What does the unit 'px' stand for in CSS?

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Question 9/15

What happens to a CSS 'rem' unit if the root font size is changed in a media query?

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Question 10/15

Which unit in CSS is used to define the size relative to the viewport's width?

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Question 11/15

If you set an element's font-size to 50%, what are you setting it relative to?

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Question 12/15

What is the primary difference between 'cm' and 'px' in CSS?

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Question 13/15

Which CSS unit represents font size relative to the parent element's font size?

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Question 14/15

What measurement is used to define distances regardless of screen resolution?

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Question 15/15

Which is a relative length unit based on the font size of the root element?

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Question 1/15
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What does the % unit in CSS represent?

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The % unit represents a percentage of the container's width or height, depending on the context.
Question 2/15
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How is a value of 50% interpreted in terms of length in CSS?

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50% is interpreted as half of the element's containing block measurement.
Question 3/15
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What is the difference between 'em' and 'rem' units in CSS?

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'em' is relative to the font size of its parent, whereas 'rem' is relative to the font size of the root element.
Question 4/15
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Which unit is known as the root em unit?

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'rem' in CSS stands for root em, which is relative to the root element's font size.
Question 5/15
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What unit would you generally not use for a flexible design across devices?

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Using 'in' (inches) is not suitable for flexible design as it is a static, physical measurement that doesn't adapt to different screen sizes.
Question 6/15
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In CSS, what unit would you use if you want a value to be proportional to the height of the viewport?

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'vh' is the unit used to define sizes relative to the viewport height.
Question 7/15
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If the root font size is 10px, what is 2rem?

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2rem is double the root font size, resulting in 20px.
Question 8/15
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What does the unit 'px' stand for in CSS?

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In CSS, 'px' stands for pixels, which is a unit for measuring sizes.
Question 9/15
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What happens to a CSS 'rem' unit if the root font size is changed in a media query?

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'rem' units base their size on the root element's font size, so any changes to that in a media query will affect all 'rem' values globally.
Question 10/15
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Which unit in CSS is used to define the size relative to the viewport's width?

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The 'vw' unit in CSS is relative to 1% of the viewport's width.
Question 11/15
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If you set an element's font-size to 50%, what are you setting it relative to?

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50% font size means the text is half the size of the parent element's font size.
Question 12/15
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What is the primary difference between 'cm' and 'px' in CSS?

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'cm' is a physical unit based on a metric measure, while 'px' is a digital measurement used on screens.
Question 13/15
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Which CSS unit represents font size relative to the parent element's font size?

Available answers

The 'em' unit is relative to the font size of the parent element.
Question 14/15
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What measurement is used to define distances regardless of screen resolution?

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'cm' is a real-world measurement and remains the same regardless of screen resolution, unlike 'px' which can vary.
Question 15/15
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Which is a relative length unit based on the font size of the root element?

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The 'rem' unit is relative to the font size of the root element, enabling consistent sizing.