* {
	box-sizing: border-box;
	}
body {
	background-color: #889696;
			}
			#container {
				display: flex;
				width: 800px;
				margin-left: auto;
				margin-right: auto;
			}
			#sidebar {
				width: 200px;
				background-color: #d2d4c8;
			}
			#content {
				width: 600px;
				background-color: #e0e2db;
			}
			#header {
				width: 800px;
				margin-left: auto;
				margin-right: auto;
				text-align: center;
				background-color: #b8bdb5;
			}
			#footer {
				width: 800px;
				margin-left: auto;
				margin-right: auto;
				text-align: center;
				background-color: #b8bdb5;
			}
			#sidebar a {
				display: block;
				text-decoration: none;
				color: #e0e2db;
				background-color: #889696;
				margin-bottom: 10px;
				padding: 5px;
				border-left: 5px solid #b8bdb5;
				border-right: 5px solid #b8bdb5;
			}
			#sidebar a:hover {
				text-decoration: underline;
			}
			#header, #footer, #sidebar, #content {
				padding: 20px;

			}
			#iframe {
			    display: block;
			    margin: 0 auto;
			}