.stuff {
	display: inline-block;
	border: 2px solid black;
	background-color: #FFFF55;
	width: 100px;
	text-align: center;
}

#btn {
	margin-left: 300px;
}

#mx span {
	margin-left: 100px;
	display: inline-block;
	border: 2px solid black;
	width: 90px;
	text-align: center;
}