Why my project can't composite styled-components?

[coo-kiee]

I want to composite component with fetching function;

but, 'CustomStyledButton' don't have css itself.
such as,

width: 100px;
background-color: #000;

https://codesandbox.io/embed/objective-shape-7r2pkw?fontsize=14&hidenavigation=1&theme=dark

[coo-kiee]

Oh... I resolved it
I don't add buttonAttributes to DefaultButton :b

[quantizor]

Resolved by the author — the issue was that attributes were not being passed to the base component.