img{
	width: 80%;
	height: 40%;
	margin-left: 10%;
	margin-right: 10%;
}
.a{
	height: 20%;
	width: 100%;
	background-color: slategray;
	float: left;
	text-decoration: none;
}
.body{
	margin-left: 5%;
	margin-right: 5%;
	display: inline-block;
	z-index: -1;
	float: left;

}
body{
	background-color: lightgrey;
	font-family: Arial, Helvetica, sans-serif;
}
.popup{
	position: fixed;
  	top: 50%;
  	width: 100%;
  	text-align: center;
  	font-size: 30px;
  	z-index: -1;

}