.parrallax-sections.parallax-1-screens{
	height: 200vh;
}
.parrallax-sections.parallax-2-screens{
	height: 400vh;
}
.parrallax-sections.parallax-3-screens{
	height: 600vh;
}
.parrallax-sections.parallax-4-screens{
	height: 800vh;
}
.parrallax-sections.parallax-5-screens{ 
	height: 1000vh;
}
.parrallax-sections.parallax-6-screens{ 
	height: 1200vh;
}
.parrallax-sections.parallax-7-screens{ 
	height: 1400vh;
}
.parrallax-sections.parallax-8-screens{ 
	height: 1600vh;
}
.parrallax-sections.parallax-9-screens{ 
	height: 1800vh;
}
.parrallax-sections.parallax-10-screens{ 
	height: 2000vh;
}
.parrallax-sections:nth-of-type(1){
	z-index: 4;
}
.parrallax-sections:nth-of-type(2){
	z-index: 3;
}
.parrallax-sections:nth-of-type(3){
	z-index: 2;
}
.parrallax-sections:nth-of-type(4){
	z-index: 1;
}
.parrallax-sections > div:nth-of-type(1){
	position: sticky;
	top: 0;
}
.parrallax-sections *[data-enter]{
	/* opacity: 0; */
}
.parrallax-sections *[data-enter], .parrallax-sections *[data-scroll], .parrallax-sections *[data-exit], .parrallax-sections[data-enter], .parrallax-sections[data-scroll], .parrallax-sections[data-exit]{
	/* Potentiellement activer les transition uniquement pour les paramètres concernés par l'animation choisie */
	transition: all 0.2s linear;
}


@media screen and (max-width:960px){
/*
	.parrallax-sections.parallax-4-screens{
	height: 400vh;
	}
*/
}

@media screen and (max-width:760px){
/*
		div.boite_pourquoi > div:nth-child(1), div.boite_pourquoi > div:nth-child(3), div.boite_pourquoi > div:nth-child(4), div.boite_pourquoi > div:nth-child(6), div.boite_pourquoi > div:nth-child(7), div.boite_pourquoi > div:nth-child(8), div.boite_pourquoi > div:nth-child(10), div.boite_pourquoi > div:nth-child(12), div.boite_pourquoi > div:nth-child(13), div.boite_pourquoi > div:nth-child(14) {
		 position: relative; 
		 top: 0;
			   
	}
	
	div.single_pourquoi{
		width: 80%;
	}
*/
}