.parallax { 
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
	position: relative;

}

.parallax-low:before {
	content: '';
	background-color: rgba(0,0,0,0.2); /* Black background with opacity */
	position: absolute;
	top: 0;
	left:0;
	right: 0;
	bottom: 0;
}

.parallax-medium:before {
	content: '';
	background-color: rgba(0,0,0,0.5); /* Black background with opacity */
	position: absolute;
	top: 0;
	left:0;
	right: 0;
	bottom: 0;
}

.parallax-high:before {
	content: '';
	background-color: rgba(0,0,0,0.8); /* Black background with opacity */
	position: absolute;
	top: 0;
	left:0;
	right: 0;
	bottom: 0;
}

/* Turn off parallax scrolling for all tablets and phones. Increase/decrease the pixels if needed */
@media only screen and (max-device-width: 1366px) {
    .parallax {
        background-attachment: scroll;
    }
}