html {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
}
body {
	background: url(../image/gangslodziakow.jpg) no-repeat center center;
	background-size: cover;
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: Arial, Tahoma, Verdana;
}
.message {
	background: #fff;
	border-radius: 20px;
	padding: 30px;
	max-width: 300px;
	text-align: center;
	margin: auto;
	box-sizing: border-box;
}
.message img {
	max-width: 200px;
}