Happy new year — ГДЗ.РУ

body {
  background-color: #4285b4;
  height: 100vh;
  display: grid;
  justify-content: center;
font-family: 'Baloo Tamma', cursive;
  transition: 4s;
}

p {
height:auto;
	color: #fcfcee;
	/*margin-top: 5vh;**/
	padding-top:10vh;
	padding-bottom:10vh;
	position:center;
	align-content: center;
 	text-align: center;
	font-size: 5vw;
 	flex-direction: column;
	font-style:italic;
	/*margin-bottom:10vh;*/
}
.img{
  flex-direction:column;
  display: flex;
}
.countdown {
	flex-direction:row;
	margin-left:2vw;
	margin-right:2vw;
	margin-bottom:1vh;
	
  display: flex;
  justify-content: center;
  font-family: 'Arial', sans-serif;
}
 
.countdown-item {
	position:center;
margin: 20px;
  text-align: center;
	/*padding-bottom: 10vh;*/
	padding-top:1vh;
	
}
 
.countdown-item span {
  display: block;
	position:center;
  font-size: 5vw;
	/*padding-top:0px;*/
}
 
.label {
	padding-top: 100px;
	position:center;
  font-size: 2vw;
  color: #999;
}

.snow {
  width: 100vw;
  height: 150vh;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-image: url("data:image/svg+xml,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 50 50' style='enable-background:new 0 0 50 50%3B' xml:space='preserve'%3E%3Cstyle type='text/css'%3E.st1%7Bopacity:0.3%3Bfill:%23FFFFFF%3B%7D.st3%7Bopacity:0.1%3Bfill:%23FFFFFF%3B%7D%3C/style%3E%3Ccircle class='st1' cx='5' cy='8' r='1'/%3E%3Ccircle class='st1' cx='38' cy='3' r='1'/%3E%3Ccircle class='st1' cx='12' cy='4' r='1'/%3E%3Ccircle class='st1' cx='16' cy='16' r='1'/%3E%3Ccircle class='st1' cx='47' cy='46' r='1'/%3E%3Ccircle class='st1' cx='32' cy='10' r='1'/%3E%3Ccircle class='st1' cx='3' cy='46' r='1'/%3E%3Ccircle class='st1' cx='45' cy='13' r='1'/%3E%3Ccircle class='st1' cx='10' cy='28' r='1'/%3E%3Ccircle class='st1' cx='22' cy='35' r='1'/%3E%3Ccircle class='st1' cx='3' cy='21' r='1'/%3E%3Ccircle class='st1' cx='26' cy='20' r='1'/%3E%3Ccircle class='st1' cx='30' cy='45' r='1'/%3E%3Ccircle class='st1' cx='15' cy='45' r='1'/%3E%3Ccircle class='st1' cx='34' cy='36' r='1'/%3E%3Ccircle class='st1' cx='41' cy='32' r='1'/%3E%3C/svg%3E");
  background-position: 0px 0px;
  animation: animatedBackground 10s linear infinite;
}

.snow div {
  width: 100vw;
  height: 100vh;
  background-image: url("data:image/svg+xml,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 50 50' style='enable-background:new 0 0 50 50%3B' xml:space='preserve'%3E%3Cstyle type='text/css'%3E.st1%7Bopacity:0.7%3Bfill:%23FFFFFF%3B%7D.st3%7Bopacity:0.1%3Bfill:%23FFFFFF%3B%7D%3C/style%3E%3Ccircle class='st3' cx='4' cy='14' r='1'/%3E%3Ccircle class='st3' cx='43' cy='3' r='1'/%3E%3Ccircle class='st3' cx='31' cy='30' r='2'/%3E%3Ccircle class='st3' cx='19' cy='23' r='1'/%3E%3Ccircle class='st3' cx='37' cy='22' r='1'/%3E%3Ccircle class='st3' cx='43' cy='16' r='1'/%3E%3Ccircle class='st3' cx='8' cy='45' r='1'/%3E%3Ccircle class='st3' cx='29' cy='39' r='1'/%3E%3Ccircle class='st3' cx='13' cy='37' r='1'/%3E%3Ccircle class='st3' cx='47' cy='32' r='1'/%3E%3Ccircle class='st3' cx='15' cy='4' r='2'/%3E%3Ccircle class='st3' cx='9' cy='27' r='1'/%3E%3Ccircle class='st3' cx='30' cy='9' r='1'/%3E%3Ccircle class='st3' cx='25' cy='15' r='1'/%3E%3Ccircle class='st3' cx='21' cy='45' r='2'/%3E%3Ccircle class='st3' cx='42' cy='45' r='1'/%3E%3C/svg%3E");
  background-position: 0px 0px;
  animation: animatedBackground 15s linear infinite;
}

@keyframes animatedBackground {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0vh 100vw;
  }
}

Results: