body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(
	to bottom,
	#122243,
	#28003E,
	#122243
  );
}

img {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
}