The perspective CSS property determines the distance between the z=0 plane and the user in order to give a 3D-positioned element some perspective.
|Applies to||transformable elements|
Indicates that no perspective transform is to be applied.
giving the distance from the user to the z=0 plane. It is used to apply a perspective transform to the element and its content. If the value is 0 or a negative number, no perspective transform is applied.