.marco-galeria {
	padding:1px;
	background-color: #000;
	width: 423px;
	border: 3px solid #fff;
}

.marco300 {
	padding:1px;
	background-color: #000;
	width: 300px;
	border: 3px solid #fff;
}
.marco230 {
	padding:1px;
	background-color: #000;
	width: 230px;
	border: 3px solid #fff;
}

.marco250 {
	padding:1px;
	background-color: #000;
	width: 250px;
	border: 3px solid #fff;
}

.marco180 {
	padding:1px;
	background-color: #000;
	width: 180px;
	border: 3px solid #fff;
}
.marco100 {
	padding:1px;
	background-color: #000;
	width: 100px;
	border: 3px solid #ccc;
}

.marco75 {
	padding:1px;
	background-color: #000;
	width: 75px;
	border: 3px solid #ccc;
}