.galeriaok{
width:100%;
background-color:;
margin-left:0%;

}
	
.float_r { float: right }
.float_l { float: left }
.float_c { float: center }
	
@media screen and (min-width: 315px) {

.galeriaok{
width:100%;
background-color:;
margin-left:0%;
}

.articulos-todos {
width: 94%;
margin: 3%;
box-sizing:border-box;
background:#4d4d4d;
}

}

@media screen and (min-width: 635px) {

.galeriaok{
width:100%;
background-color:;
margin-left:0%;
}

.articulos-todos {
width: 46%;
margin: 2%;
box-sizing:border-box;
background:#4d4d4d;
}

}

@media screen and (min-width: 1024px) {

.galeriaok{
width:100%;
background-color:;
margin-left:0%;
}

.articulos-todos {
width: 46%;
margin: 2%;
box-sizing:border-box;
background:#fff;
}

@media screen and (min-width: 1360px) {

.galeriaok{
width:100%;
background-color:;
margin-left:0%;
}

.articulos-todos {
width: 23%;
margin: 1%;
box-sizing:border-box;
background:#fff;
}

}