The CSS data type represents a value that can be either a or a .

What will be the output of the following code?

x 2+y2

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

In HTML, a color can be specified using a hexadecimal value in the form of

The tab-size CSS property is used to customize the width of tab characters.

The CSS data type, used for describing aspect ratios in media queries, denotes the proportion between two unitless values

The ____________ CSS pseudo-class function selects the shadow host of the shadow DOM containing the CSS.

The _____ CSS property sets one or more background images on an element.

Which of the following is true about the Color property?

The border-block-start-width CSS property defines the width of the logical block-start border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation.