If a block element might not have enough space to display all of its content, which property might you use to enable scrollbars if they're needed?

How much space does an element take up within the document (on modern browsers) if it has "display: none" styling applied?

Which of the following is the correct syntax for using z-index?

How do you remove browser default margin and padding settings?

What selector is used to select all elements?

An attribute selector allows you to select an element with a specific attribute. To select a <input type="submit"> you would use:

Which selector match a particular element only when it lies inside a particular element?

Which is the newly introduced background properties in CSS3?

The ..................... specifies whether a border should be solid, dashed line, doted line, double line, groove etc.

Which is valid properties for flex-container? Check all that apply.

Internet Explorer uses ....................... property to create transparent images.