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

Which CSS property is used to specify the background color of an element?

A). A) background-color

B). B) background

C). C) color

D). D) background-style

What is the purpose of CSS frameworks like Bootstrap?

A). A) To create animations and transitions

B). B) To provide pre-designed UI components

C). C) To optimize CSS performance

D). D) To generate CSS automatically

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 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 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

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 add shadows to elements?

A). A) box-shadow

B). B) shadow

C). C) text-shadow

D). D) element-shadow

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 align text within its container horizontally?

A). A) text-align

B). B) align-text

C). C) text-justify

D). D) justify-text