.button { border: 2px; padding: 2px; margin: 2px; } .div { background-color: #99FF00; color: #000000; margin-top: 2px; margin-bottom: 2px; margin-left: 1px; margin-right: 1px; padding-top: 2px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; } .main { } .Pg { color: #000000; border-width: 2px; border-color: #000000; border-style: double;margin-top: 0px; margin-bottom: 1px; margin-left: 1px; margin-right: 1px; padding-top:2px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; } body {max-width: 600px; margin-top: 0px; margin-right: auto; margin-bottom: 1px; margin-left: auto;padding:2px;} hr{margin:0px;} .title{ background-color: red;color: white; padding: 2px; margin:1px; } .main{ background-color: #ccffcc; color: black; padding: 2px; margin:1px; } tr:nth-child(odd){background-color:#ccff66;}