body{
    background: url("../img/fondo-vg.jpg") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
	background-color: #444;
}

.vertical-offset-100{
    padding-top:100px;
}

.img-responsive {
    padding-bottom: 20px;
}