const css = styled.b` html {overflow: auto;} html, body, div, iframe { margin: 0px; padding: 0px; height: 100%; min-height: 5000px; border: none; display: block; width: 100%; border: none; overflow-y: auto; overflow-x: hidden; } `; return ( <css> <iframe src="https://nlnw.github.io/tanso/" /> </css> );