body{
	background-color: lightblue;
}

h1{
	background-color: lightgreen;
	text-align: center;
}

IMG.displayed{
	display: block;
	margin-left: auto;
	margin-right: auto;
}

table{
	width: 100%;
	align: center;
}

tr:hover{
	background-color: coral;
	text-align: center;

}

td{
	text-align: center;
	vertical-align: top;

}