*{
	margin: 0px;
	padding: 0px;

}




nav ul{
	list-style-type: none;
}
  


nav li {
	text-decoration: underline;
	float: left;
	width: 16%;
	text-align: center;
}

nav{
	width: 100%;
	margin: 0 auto;
    background-color: purple;
	position: sticky;
	top: 0px;
}

 nav a{
	display: block;
	text-decoration: none;
	color: yellow;
	padding: 10px 0px ;
}



 nav ul::after{
	content: "";
	display: table;
	clear: both;
}


 h1 {
	background: gray;
    text-align: center;
    margin-top: 10%;
    font-size: 120%;
} 



p {
	padding-left: 20px;
	padding-right: 20px;
}

h2 {
	
	color: blue ;
	text-decoration: underline;
	margin-top: 30px;
	text-align: center;
}


img {
	  width: 1010px;
	  height: 420px;
	  margin-top: 20px;
	  padding-left: 10%;

}