sheet.css

        .button-success,
        .button-error,
        .button-warning,
        .button-secondary {
            color: white;
            border-radius: 4px;
            text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
        }
        .button-success {
            background: rgb(28, 184, 65); /* this is a green */
        }
        .button-error {
            background: rgb(202, 60, 60); /* this is a maroon */
        }
        .button-warning {
            background: rgb(223, 117, 20); /* this is an orange */
        }
        .button-secondary {
            background: rgb(66, 184, 221); /* this is a light blue */
        }
		.button-xsmall {
            font-size: 70%;
        }
		.button-small {
            font-size: 85%;
        }
		#wrapper {
		border-left: solid black 1px;
		}