HTML & CSS quiz. Mark the correct statements for the property <b>bo

Mark the correct statements for the property border-radius

Sets the radius of curvature of the corners of the frame.
If the frame is not specified, the rounding also occurs with the background.
Sets the radius of curvature of the corners of the frame.
If no frame is specified, no rounding occurs.
Google Chrome to version 4.0 uses the non-standard property -webkit-border-radius.
Internet Explorer supports the border-radius property since version 8.0.

Explanation

The border-radius property sets the radius of the corners of the frame.
If the frame is not specified, the rounding also occurs with the background.
Google Chrome fully supports this property since version 4.0, and Internet Explorer since version 9.0.