html {
	background-color: #d3dbde;
	background-image: url(/Hello.jpg);
	background-image: url(/images/meme.jpg);
	background-size: cover;
	background: #2A7B9B;
	background-image: linear-gradient(to right, red, yellow)
}

body {
	background-color:#ffffff;
	color: #333333;
	font-family: Segoe UI, Arial, sans-serif;
	width:1000px;
	border: 20px solid #ffffff;
	margin-left:auto;
	margin-right:auto;
}

header {
	background-image: url(../images/meme.jpg);
	background-color: #004499;
	
	height: 200px;
	display: flex;
	flex-direction: column;
	align-items: center; 
	justify-content: center;
	background-image: radial-gradient(circle, red, yellow, green)
}

nav {
	background:#333333;
	padding-top: 10px;
	padding-bottom: 10px;
	color: #ffffff;
}

nav a {
	font-weight: bold;
	color:#ffffff;
}

main {
	background-color: #ffffff;
	display: flex;
}

footer {
	background-color: #3d4348;
	color: #ffffff;
	padding: 20px;
}

footer a {
	color:#99ddff;
	font-weight: bold;
}

header h1, header h2 {
	margin: 0;

}

nav ul { 
	list-style: none;
	margin: 0; 
	padding: 0; 
	display: flex;
	justify-content: space-around;
} 
aside {
	background-color: #dddddd;
	padding: 20px; 
	width: 300px;

	flex-grow: 0;
	flex-shrink: 0;

}
article { 
	padding: 20px; 
}