body {
	margin:20px 0;
	background-image:url(galaxia1.jpg);
	font-family:sans-serif;
}
nav {
	width:860px;
	margin:auto;
	background-image:url(estrelas.jpg);
	padding:20px 0;
	text-align:center;
	border-radius: 15px 15px 0 0;
	text-align:right;
}
h1{
	text-align:center;
}
nav a{
	display:inline-block;
	font-size:20px;
	margin:0 20px;
	color:#000;
	text-decoration:none;
}

section {
	width:860px;
	margin:auto;
	background-color:#FFFFFF;
	padding:25px;
	box-sizing:border-box;
}
footer {
	width:860px;
	margin:auto;
	background-color:#8A2BE2;
	color:#FFC;
	padding:20px;
	text-align:center;
	box-sizing:border-box;
}
div#foto {
	text-align:center;
	}
div#foto3{
	text-align:center;
}	
div#foto4{
	text-align:center;
	
	}
div#foto5{
	text-align:center;
}