#bitmask-form {
	margin: 20px 0;
}
#bitmask-form .span-block {
	display: block;
	text-align: center;
	padding: 0 0 7px 0;
}
input.text-type {
	font-family: "Courier New", Courier, monospace;
	border: 1px solid #333;
	width: 120px;
}
input.submit-type {
	border: 1px solid #f5f5f5;
	color: #c0c0c0;
	background-color: #000;
	font-size: 12px;
}
fieldset {
	border-width: 0;
}