border-radius

Defines the radius of an element's corners, allowing you to create rounded corners or circular shapes.

Quick example

.button {
  border-radius: 8px;
  /* standard rounded corner */
}

.avatar {
  border-radius: 50%;
  /* creates a circle */
}

Quick facts

Initial value
See individual properties
Inherited
No
Applies to
all elements (UAs not required when collapse)

Values

length-percentage

border-radius Browser Support

Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

Safe to use without fallbacks.

4+
4+
5+
12+
ESC