footer {
	margin-top: 20px;
}


@media only screen and (min-width: 768px) {
	footer {
		margin-top: 100px;
	}
}

.body-sign {
	max-width: 500px;
}

.center {
	padding-bottom: 5px;
}

.space-20 {
	line-height: 50px;
}