body{
	font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
	border: 20px solid black;
}
h1, h2{
	text-align: center;
	padding: 10px;
}
div{
	border: 10px solid grey;
	background-color: darkgrey;
	color: white;
}
section{
	border: 10px solid darkgrey;
}
footer{
	border: 10px solid grey;
	text-align: center;
	background-color: lightblue;
}
details, summary{
	text-align: left;
	max-width: 700px;
}
ul{
	list-style-type: none;
	margin: 0;
	padding: 0;
	overflow: hidden;
	background-color: darkgrey;
}
li a{
	display: block;
	text-align: center;
	color: white;
	padding: 10px;
	text-decoration: none;
}
li a:hover{
		background-color: lightblue;
}
img{
	z-index: -1;
	border: 10px solid lightblue;
}
.books{
	margin-left: 8.8%;
	margin-right: 8.8%;
}
.mumb{
	margin-left: 50%;
}
.sport{
	margin-left: 50%;
}
a{
	text-decoration: none;
}
p a:link, summary a:link{
	color: grey;
}
p a:visited, summary a:visited{
	color: grey;
}
p a:hover, summary a:hover{
	color: white;
	background-color: lightblue;
}