* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html,
body {
	height: 100%;
}
.centrar {
	height: 100%;
	display: grid;
	place-items: center;
}
.logo {
	width: min(30rem, 50%);
}
.logo img {
	width: 100%;
	display: block;
}