* {
	margin: 0;
	padding: 0;
}

.boton1, .boton2 {
	width: 49%;
	display: inline-block;
	margin-top: 2%
}
.boton1 {
	text-align: right;
}
.boton2 {
	text-align: left;
}
#principalmob {
	display: none;
}
#principal{
	display: block;
}

@media (max-width: 768px) {
	#principalmob{
		display: block;
		margin-bottom: 3%;
	}
	#principal{
		display: none;
	}
	.boton1, .boton2 {
		width: 100%;
		text-align: center;
		margin-top: 0;
		margin-bottom: -1%;
	}
}