/* https://alvarotrigo.com/blog/animated-backgrounds-css/ */

* {
	margin: 0px;
	padding: 0px;
}

.context {
	width: 100%;
	position: absolute;
	top: 50vh;
}

.context h1 {
	text-align: center;
	color: #fff;
	font-size: 50px;
}

.area {
	position: fixed;
	top: 0;
	width: 100%;
	height: 100vh;
	pointer-events: none;
	background-image: url(".././img/fonds/Fond-Village.jpg");
	background-size: cover;
	background-repeat: no-repeat;
	background-attachment: fixed;
	z-index: 1;
}

.circles {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.circles li {
	position: absolute;
	display: block;
	list-style: none;
	width: 20px;
	height: 20px;
	background: rgba(255, 255, 255, 0.2);
	animation: animate 25s linear infinite;
	bottom: -150px;
}

.circles li:nth-child(1) {
	left: 25%;
	width: 80px;
	height: 80px;
	animation-delay: 0s;
	background: transparent !important;
	border: 3px solid #ffffff33;
}

.circles li:nth-child(2) {
	left: 10%;
	width: 40px;
	height: 40px;
	animation-delay: 2s;
	animation-duration: 12s;
}

.circles li:nth-child(3) {
	left: 70%;
	width: 20px;
	height: 20px;
	animation-delay: 4s;
}

.circles li:nth-child(4) {
	left: 40%;
	width: 60px;
	height: 60px;
	animation-delay: 0s;
	animation-duration: 18s;
	background: transparent !important;
	border: 3px solid #ffffff33;
}

.circles li:nth-child(5) {
	left: 65%;
	width: 20px;
	height: 20px;
	animation-delay: 0s;
}

.circles li:nth-child(6) {
	left: 75%;
	width: 110px;
	height: 110px;
	animation-delay: 3s;
	background: transparent !important;
	border: 3px solid #ffffff33;
}

.circles li:nth-child(7) {
	left: 35%;
	width: 150px;
	height: 150px;
	animation-delay: 7s;
}

.circles li:nth-child(8) {
	left: 50%;
	width: 25px;
	height: 25px;
	animation-delay: 15s;
	animation-duration: 45s;
}

.circles li:nth-child(9) {
	left: 20%;
	width: 15px;
	height: 15px;
	animation-delay: 2s;
	animation-duration: 35s;
}

.circles li:nth-child(10) {
	left: 85%;
	width: 150px;
	height: 150px;
	animation-delay: 0s;
	animation-duration: 11s;
}

@keyframes animate {
	0% {
		transform: translateY(0) rotate(0deg);
		opacity: 1;
		border-radius: 0;
	}

	100% {
		transform: translateY(-1000px) rotate(720deg);
		opacity: 0;
		border-radius: 50%;
	}
}