main{
	width: 100vw;
	height: 100hw;
	text-align: center;
}
main img{
	width: 50%;
}
body{
	margin: 0;
	padding: 0;
	background-color: lightblue;
}
@media only screen and (max-width: 600px) {

  main img{
	width: 100%;
}
}