Practical CSS3 Mastery Course - Before After Pseudo Selector

The video tutorial covers the use of CSS pseudo selectors, specifically 'before' and 'after', to enhance web design. It begins with an introduction to these selectors, followed by building a basic website structure using HTML. The tutorial then demonstrates how to apply CSS styles to the website elements, focusing on layout and design using flexbox. It further explores inserting content with pseudo selectors and concludes with advanced techniques for styling using these selectors.

What are the 'before' and 'after' pseudo selectors primarily used for?

• To insert content before or after an element

• To change the color of an element

• To animate an element

• To delete an element

Which HTML element is typically used to contain the main navigation of a website?

• Header

• Footer

• Nav

• Section

What CSS property is used to align items in a flex container?

• align-items

• justify-content

• position

• display

How can you center content horizontally and vertically using flexbox?

• Using 'float: center'

• Using 'text-align: center'

• Using 'margin: auto'

• Using 'align-items: center' and 'justify-content: center'

How can you apply a pseudo selector to insert content after an element?

• Using 'element::append { content: "text"; }'

• Using 'element::insert { content: "text"; }'

• Using 'element::before { content: "text"; }'

• Using 'element::after { content: "text"; }'

What is the purpose of setting 'position: absolute' on an element?

• To make the element scrollable

• To hide the element

• To position the element relative to its nearest positioned ancestor

• To make the element responsive

How can you ensure a background image covers the entire element?

• Using 'background-position: center'

• Using 'background-repeat: no-repeat'

• Using 'background-attachment: fixed'

• Using 'background-size: cover'

What does setting 'opacity: 0.5' on an element do?

• Makes the element half transparent

• Makes the element completely invisible

• Doubles the element's size

• Changes the element's color to gray

Which CSS property is used to change the stacking order of elements?

• opacity

• z-index

• display

• visibility

What is the effect of setting 'z-index: -1' on an element?

• It brings the element to the front

• It sends the element to the back

• It makes the element invisible

• It locks the element in place