Which CSS unit is based on the font size of the root element?
A). A) em
B). B) px
C). C) %
D). D) vw
In CSS, which property is used to change the font size?
A). A) font-size
B). B) text-size
C). C) size
D). D) font-style
Which CSS property is used to control the spacing between lines of text?
A). A) line-height
B). B) text-spacing
C). C) line-spacing
D). D) spacing
Which CSS property is used to specify the font family of text?
A). A) font-family
B). B) text-family
C). C) font-type
D). D) text-font
What is the purpose of CSS preprocessors like SASS and LESS?
A). A) To minify CSS code
B). B) To compile CSS to JavaScript
C). C) To enhance CSS with features like variables and nesting
D). D) To debug CSS code
What does the CSS property 'position: fixed;' do?
A). A) Positions the element relative to its parent
B). B) Positions the element relative to the viewport
C). C) Positions the element absolutely
D). D) Positions the element relative to the document flow
Which CSS property is used to align text within its container horizontally?
A). A) text-align
B). B) align-text
C). C) text-justify
D). D) justify-text
Which of the following is NOT a valid CSS selector?
A). A) #myDiv .class
B). B) 1stParagraph
C). C) .myClass > p
D). D) p + span
What is the purpose of CSS media queries?
A). A) To create animations for different screen sizes
B). B) To specify the layout for different devices
C). C) To control the appearance of text
D). D) To optimize CSS performance for mobile devices
Which CSS property is used to specify the color of text?
A). A) text-color
B). B) color
C). C) font-color
D). D) text-style