#footer
 		{
 			font-size: 40px;
 			background-color: lightblue;
 			text-align: center;
 			color: black;
 			padding-top: 20px;
 		}

 		#heading
        {
            text-align: center;
            background-color: white;
            color:black  ;
            font-size: 44px;
        } 



   #nav
{

	width:1000px;

	margin-left: auto;
	margin-right: auto;
}

#nav a

{

	background-color:lavender;
	color: white;
	text-decoration: none;
	font-size: 20px;
	display:block;
	float:left;

	width: 480px;
	text-align: center;
	padding: 10px;
	margin-top: 10px;
	margin-bottom: 10px;


}

#nav a:hover
{
	color: black;

}

#nav .active
{
	border-bottom:5px black solid;
}

html, body {
	margin: 0;
	padding: 0;
}
h1 {
	margin: 0;
}
img {
	border-radius: 20px;
}
h2 {
	text-align: center;
}

iframe {
	border-radius: 20px;
}