*{
  margin: 0;
  padding: 0; 
}

body{
	background-color: grey;
}

header,
footer{
	background-color: cornflowerblue;
	color: Aliceblue;
	text-align: center;
}

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

nav ul li { 
	display: inline-block;
	margin-right: 15px;
}

#header{
	width: 100%;
	background-color: cornflowerblue;
	color: aliceblue;
	position: fixed;
}

a{
	text-decoration: none;
	color: inherit;
}

a:hover{
	color: green;
}