@media screen and (max-width: 481px){
	body, dialog	{
		font-family: sans-serif;
		font-size:1.0rem;
	}
	button {
		font-size:1rem;
	}
	h1 {
		color:red;
	}
}
@media screen and (min-width: 481px){
	body, dialog	{
		font-family: sans-serif;
		font-size:1.0rem;
	}
	button {
		font-size:1rem;
	}

}