body { 
	background-color: lightblue;
	background-image: url("immconc-bg.jpg");
	background-repeat: no-repeat;
	background-position: top; 
	margin: 0 15%;
}
h1, h2, h3, h4, .ctr { 
	text-align: center; 
}
.rjust {
	text-align: right;
}
.button {
	background-color: lightblue;
	border: none;
	padding: 15px 32px;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	font-size: 16px;
}

.box {
	border: 1px solid black;
}