body{
	background-image:url("../img/background.svg");
}

main{
	display: flex;
	flex-direction: column;
}

header{
	margin-bottom: 0;
}
#presentation{
	position: relative;
	height: 100vh;

}

a{
outline: none;
}




#img-txt div{
	display: inline-flex;
	flex-direction: row;
	justify-content: space-around;
	align-items: center;
	padding-bottom: 20vh;
}



#img-txt p{
	backdrop-filter: blur(10px);
	border-radius: 30px;
	padding: 1%;
	width: 40%;
}

.img_main{
	backdrop-filter: blur(10px);
	height: 18rem;
	width: 30rem;
	border-radius: 15px;
	transition: transform ease 0.4s;
	filter: saturate(0.2);
}

#img-txt div:hover .img_main{
	box-shadow: 0 40px 60px rgba(150,0,0,0.7);
	transform: scale(1.2,1.2);
	transition: transform ease 0.8s;
	filter: saturate(1);
}

#img-txt div:not(:hover) p{
	background-color: rgba(150,150,150,0.4);
}




#fond_2{
	z-index: 10;
	backdrop-filter: blur(10px);
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	background-color: rgba(0, 0, 0, 0.5);
	color: white;
	padding-bottom:20%;
}


#fond_2 video{
	margin: 1%;
}


@media only screen and (max-width: 800px){

	h2{
		margin-bottom: 10vh;
	}
	#presentation{
		height: 50vh;
	}
	.img_main{
		width: 75vw;
		margin-bottom: 20vh;
	}

	#img-txt p {
		width: 100vw;
		margin-bottom: 10vh;
	}
	#img-txt div{
		flex-direction: column;
		padding-bottom: 0;
	}

	#img_gauche_txt_droite{
		flex-direction: column;
	}
	#fond_2 video{
		width: 95vw;
	}
}