The mask property in CSS allows users to alter the visibility of an item by either partially or fully hiding it. This is accomplished by either masking or clipping the image at specific points.
-ms-overflow-style is a proprietary CSS property, specific to Internet Explorer and Microsoft Edge, which controls the behavior of scrollbars when an element's content overflows.
On mobile devices, the text-size-adjust property allows Web authors to control if and how the text-inflating algorithm is applied to the textual content of the element it is applied to.