/* * these CSS rules only apply to a single * page because they are used to demonstrate * some points by adding styles to various * elements used as examples. */ .highlight { background-color: yellow; } .layout { border: #000000 thin solid; } .width { font-size: 72px; } .padding { padding: 20px; } .margin { margin: 20px; } .border { border: solid 20px black; } #main-panel { height: 200px; } #main-panel-1 { height: 200px; } #sidebar { height: 200px; width: 200px; float: left; }