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 align text within its container horizontally?
A). A) text-align
B). B) align-text
C). C) text-justify
D). D) justify-text
What is the purpose of the CSS box model?
A). A) To provide a graphical representation of CSS rules
B). B) To define the layout and design of a webpage
C). C) To control the appearance of text
D). D) To specify the padding and border of an element
What does the CSS property 'display: none;' do?
A). A) Hides the element but reserves its space
B). B) Hides the element and removes its space
C). C) Shows the element
D). D) Displays the element with reduced opacity
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
What does the CSS property 'float: left;' do?
A). A) Floats the element to the left of its parent
B). B) Floats the element to the right of its parent
C). C) Floats the element to the left of the document
D). D) Floats the element to the right of the document
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
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
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