| name | type | arguments | Default | description |
|---|---|---|---|---|
| tl | number | <optional> | 20 |
Top left corner radius. Draw concave arc if this radius is negative. |
| tr | number | <optional> | 20 |
Top right corner radius. Draw concave arc if this radius is negative. |
| br | number | <optional> | 20 |
Bottom right corner radius. Draw concave arc if this radius is negative. |
| bl | number | <optional> | 20 |
Bottom left corner radius. Draw concave arc if this radius is negative. |