/*-----------------
	1. General
-----------------------*/
.fondo-pagina {
	background-image: url(../img/background.jpg);
	background-repeat: no-repeat;
	background-attachment: fixed;  
	background-size: cover;
}
.proyecto{
	background-color: #343a40;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
	background-color: #607d8b;
}

.loading{
	position: fixed;
    top: 0;
    left: 0;
    z-index: 2000;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
}
.content-loading{	
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}
.spinner-loading{
	width: 3rem;
    height: 3rem;
}

#viewer {
    width: 100vw;
    height: 50vh;
}