CSS · Properties — CSS Backgrounds and Borders

corner-block-start-shape

The CSS corner-block-start-shape property. Initial value: corner-start-start-shape,corner-start-end-shape. Not inherited.

cssRunnable example css course

Syntax

corner-block-start-shape: <corner-shape-value>{1,2}

Example

Try it

.demo { corner-block-start-shape: initial; }

Media: visual. Applies to: allElements. Computed value: corner-start-start-shape,corner-start-end-shape.

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.