.button {
	margin: 0 auto;
	display: block;
	border: 1px solid #ffffff;
	transition-duration: 0.4s;
	width: 250px;
	height: 30px;
	text-align: center;
	font-size: 150%
}
.button1 {
	background-color: #fffff0;
	color: #000080;
	border: 2px solid #ffffff;
	cursor: crosshair;
}
.button1:hover {
	background-color: #000080;
	color: #228b22;
}
.button2 {
	background-color: #000080;
	color: #fffff0;
	border: 2px solid #ffffff;
	cursor: crosshair;
}
.button2:hover {
	background-color: #fffff0;
	color: #228b22;
}
.disable {
	opacity: 0.6;
	cursor: not-allowed;
}