header{ background-image: url("http://intro-webdesign.com/CSS/assignment-2/images/flywheel.jpg") ; background-color: #000; background-repeat: no-repeat; background-size:cover; height:150px; } body{ margin: 10px; padding:10px; } h1{ text-align: center; color: #ffffff; font-family: serif; font-size: 40px;; font-variant-caps:all-small-caps; } a{ font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif; color: #000000; background-color: #eeeeee; } nav a{ display:inline-block; padding:15px 60px 15px; border-radius:5px; margin-left: 5%; margin-right:5%; background-color: rgba(255, 255, 255,0.3); text-decoration: none; } a.active{ background-color: white; color:#0000ff } aside.left { width: 15%; height: 15%; display: inline-block; background: #527219; padding: 2%; } aside.left img { border: 2px solid #000; width: 85%; height: 85%; float:left; margin-bottom: 30px; clear:left; } section.right { float: right; width: 80%; }