WEB: Unit 3 Lesson 3 CSS Selectors By Class

What does CSS stand for?

• Colorful Style Sheets

• Creative Style Sheets

• Computer Style Sheets

• Cascading Style Sheets

Which CSS selector is used to define a style for a group of elements?

• Tag

• ID

• Element

• Class

How do you select elements with the class name 'alert' in CSS?

• *alert

• alert

• .alert

• #alert

What is the correct format to select p elements with the class 'alert'?

• p #alert

• .alert p

• p.alert

• .p alert

Can a single HTML element have multiple classes?

• Yes, but only two

• Yes, separated by commas

• Yes, separated by spaces

• No, it's not possible

Which of the following is NOT a valid class name?

• 1classname

• class_name

• class-name

• classname2

What happens when an element has both class and tag selectors applied in CSS?

• The class selector is applied

• Both selectors are applied

• Neither selector is applied

• The tag selector is applied

How can you make a checkerboard pattern using CSS classes?

• Alternating classes for each cell

• Using :nth-child selector

• Using .checkerboard class

• It's not possible with CSS

What does adding a class attribute to an HTML element do?

• Allows it to be selected by CSS

• Deletes the element

• Makes it invisible

• Changes its content

What is the result of applying a CSS rule with a class selector to an element?

• Changes the element's structure

• None of the above

• Overrides the tag selector's style

• Removes other classes from the element