#tabla-precios {
	display: inline-block;
	width:100%;
    margin-top: 0;
}
.precio-col {
	display:inline-block;
	background-color:#f3f3f3;
	width:29%;
	max-width: auto;
	max-height: auto;
	border-radius: 10px;
	margin-bottom: 50px;
	box-shadow: 0px 2px 5px #ddd;
    margin: 2%;
}
@media screen and (max-width:991px) {
	.precio-col {
	width:100%;
	float:left;
	margin-right:2%
	}
	.precio-col:last-child {
	margin-right:0
	}
}