Q
Which of the following is NOT a valid CSS selector?

Answer & Solution

Answer: Option B
Solution:
The selector '1stParagraph' is not valid in CSS as selectors cannot start with a digit. Valid selectors include IDs (#), classes (.), elements, descendant selectors, child selectors, attribute selectors, etc.
Related Questions on Average

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 'Cascading' in CSS refer to?

A). A) Style cascades from one element to another

B). B) Styles cascade downwards in the document

C). C) Stylesheets cascade in a specific order

D). D) None of the above

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 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

What does CSS stand for?

A). A) Cascading Style Sheets

B). B) Creative Style Solutions

C). C) Centralized Styling System

D). D) Computerized Styling Service

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 '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 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

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 control the size of an element relative to its containing element?

A). A) width

B). B) size

C). C) scale

D). D) zoom