It is used to convert sharp edge corners into curved edge corners for the Html elements.

It accepts value in pixel format.This property accepts the four values at a time.

The four values are as follows,

1. Represents left-top corner (px)


2. Represents right-top corner (px)


3. Represents right-bottom corner (px)


4. Represents left-bottom corner (px)

Note : We can measure Html element by using Pixel(px), Percent(%), Points(pt), and Inches(in).