heart.css

.backdiv{
	position: fixed;
	top: 0;
	left: 0;
	padding: 0px;
	margin: 0px;
	width: 100%;
	height: 100%;
	background: black;
	animation-name: backdiv;
	animation-duration: 3s;
	animation-iteration-count: 1s;
}
.heart{

	position: absolute;
	margin: auto;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background-color: red;
	width: 50px;
	height: 50px;
	transform: rotate(-45deg);
	animation-name: beat;
	animation-duration: 3s;
	animation-iteration-count: infinite;
}
#newHeart1::before{
	content: "";
	border-radius: 50%;
	background-color: red;
	position: absolute;
	height: 50px;
	width: 50px;
	top: -25px;
	left: 0px;
		
}
#newHeart1::after{
	content: "";
	background-color: red;
	border-radius: 50%;
	position: absolute;
	height: 50px;
	width: 50px;
	top: 0px;
	left: 25px;
}
@keyframes backdiv{
	50%{
		background-color: pink;
	}
}
@keyframes beat{
	0% {
      transform: scale(1) rotate(-45deg);
    }
    50% {
      transform: scale(0.6) rotate(-45deg);
    }
}

/*#newHeart2::before{
	content: "";
	border-radius: 50%;
	background-color: red;
	position: absolute;
	height: 50px;
	width: 50px;
	top: 65px;
	left: 0px;
		
}
#newHeart2::after{
	content: "";
	background-color: red;
	border-radius: 50%;
	position: absolute;
	height: 50px;
	width: 50px;
	top: 0px;
	left: 58px;
}*/
  .ball {
    border-radius: 50%;
    top: 249px;
    position: fixed;  
    width: 50px;
    height: 50px;
    top: 60%;
    animation-name: jump;
    animation-duration: 2s;
    animation-iteration-count: infinite;
  }
  #red {
    background: red;
    left: 25%;
    animation-timing-function: linear;
  }
  #blue {
    background: blue;
    left: 50%;
    animation-timing-function: ease-out;
  }
  #green {
    background: green;
    left: 75%;
    animation-timing-function: cubic-bezier( 0.311, 0.441, 0.444, 1.649);
  }
@keyframes jump{
	50%{
		top: 10%;
	}
}