border-end-start-radius

Rounds the corner where the 'end' of the block dimension meets the 'start' of the inline dimension (bottom-left in LTR). Like all logical properties, it adapts to the text direction.

Quick example

aside {
  /* Rounds the logical bottom-left corner */
  border-end-start-radius: 12px;
  padding: 1rem;
  background: #f8fafc;
}

Quick facts

Initial value
0
Inherited
No
Applies to
all elements (UAs not required when collapse)
Animation type
lpc

Values

border-top-left-radius

border-end-start-radius Browser Support

Widely available Since 2021 95% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2021.

Safe to use without fallbacks.

89+
66+
15+
89+
ESC