.spip_documents {
    -skrollr-animation-name:apparition;
}

@-skrollr-keyframes apparition {
	
	top {
		opacity: 1;
	}

    bottom {
       opacity: 1;
    }

    250-bottom-top {
    	opacity: 0;
    }
}

.longform h2, .longform #social {
    -skrollr-animation-name:masque_haut;
}
@-skrollr-keyframes masque_haut {
	0 {
		visibility: hidden;
		opacity: 0;
	}
	100 {
		visibility: visible;
		opacity: 0;
	}
	150 {
		visibility: visible;
		opacity: 1;
	}
}


h2 {
    -skrollr-animation-name: soustitre;
}
@-skrollr-keyframes soustitre {
	100 {
		margin-bottom: 0em;
	}
	150 {
		margin-bottom: 1.8em;
	}
}

header .fleche_bas, #articles_une_bas .fleche_bas {
    -skrollr-animation-name: masque_bas;
}
@-skrollr-keyframes masque_bas {
	100 {
		display: block;
	}
	150 {
		display: none;
	}
}

.logo-article-longform .logo {
    -skrollr-animation-name: opacite_fond;
}
@-skrollr-keyframes opacite_fond {
	top {
		opacity: 1;
	}
	center {
		opacity: 0.5;
	}
	bottom {
		opacity: 0.5;
	}
}