body { background-color: white; color: black; font-family: sans-serif; margin-top: 0px; margin-bottom: 20px; margin-right: 20px; margin-left: 20px; } h1 { margin: 0; } a { color: blue; text-decoration: none; padding: 3px; } a:hover { background-color: yellow; color: black; } li { margin-top: 5px; margin-bottom: 5px; } .notice { border: 10px solid PowderBlue; margin: 20px; padding: 20px; } .breadcrumb { background-color: PowderBlue; margin-bottom: 20px; padding: 8px; }