rsnext/examples/with-mdx/components/button.js

export default ({ children }) => (
  <button
    style={{
      borderRadius: '3px',
      border: '1px solid black',
      color: 'black',
      padding: '0.5em 1em',
      cursor: 'pointer',
      fontSize: '1.1em'
    }}
  >
    {children}
  </button>
)