@keyframes scale{
	0%		{transform: scale(0);}
	100% 	{transform: scale(2.15);}

	/*0%	{opacity: 0; height: 0;}
	50%		{opacity: .5}
	75%		{opacity: .75}
	100%	{opacity:1; height:1;}*/
}
body{
	background-color: skyblue;
}

main{
background-color: ;
border-radius: 50%;
margin-left: 5vw;
margin-top: 10vh;
}
section{
	width: 300px;
	height: 300px;
	animation: scale 5s infinite;
	float: left;
animation-timing-function: ease-in;	

animation-direction: alternate;
top: 50vh;
	background-color: darkblue;
	border-radius: 50%;
	text-shadow: 2px 2px black;
}
/*can use odd/even instead of (1)
- use another pseudotransition LIKE hover + add transition #s*/