틀:Snowfalling/styles.css

@keyframes snow {
	0% {
		opacity: 0;
		transform: translateY(0px);
	}
	20% {
		opacity: 1;
	}
	100% {
		opacity: 1;
		transform: translateY(650px);
	}
}

.box-of-star1,
.box-of-star2,
.box-of-star3,
.box-of-star4 {
	position: fixed;
	z-index: -3;
	left: 0;
	top: 0;
	transform: translateY(0px);
	width: 100%;
	height: 100%;
}
.box-of-star1 {
	animation: snow 5s linear infinite;
}
.box-of-star2 {
	animation: snow 5s -1.64s linear infinite;
}
.box-of-star3 {
	animation: snow 5s -2.30s linear infinite;
}
.box-of-star4 {
	animation: snow 5s -3.30s linear infinite;
}
.star {
	width: 3px;
	height: 3px;
	border-radius: 50%;
	background-color: silver;
	position: absolute;
	z-index: 10;
	opacity: 0.7;
}
.star:before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: silver;
	position: absolute;
	z-index: 10;
	top: 80px;
	left: 70px;
	opacity: .7;
}
.star:after {
	content: "";
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: silver;
	position: absolute;
	z-index: 10;
	top: 8px;
	left: 170px;
	opacity: .9;
}
.star-position1 {
	top: 30px;
	left: 20px;
}
.star-position2 {
	top: 110px;
	left: 250px;
}
.star-position3 {
	top: 60px;
	left: 570px;
}
.star-position4 {
	top: 120px;
	left: 900px;
}
.star-position5 {
	top: 20px;
	left: 1120px;
}
.star-position6 {
	top: 90px;
	left: 1280px;
}
.star-position7 {
	top: 30px;
	left: 1480px;
}