body { background-color: #DDDDDD; font: 30px sans-serif; height: 350px;}
.ball-wrapper {
position: fixed;
width: 120px;
height: 300px;
margin-left: -60px;
left: 50%;
top: 20%;
}
.ball {
position: absolute;
width: 120px;
height: 120px;
border-radius: 70px;
background: -webkit-linear-gradient(top, rgba(187,187,187,1) 0%,rgba(119,119,119,1) 99%);
background: -moz-linear-gradient(top, rgba(187,187,187,1) 0%,rgba(119,119,119,1) 99%);
background: linear-gradient(top, rgba(187,187,187,1) 0%,rgba(119,119,119,1) 99%);
box-shadow: inset 0 -5px 15px rgba(255,255,255,0.4), inset -2px -1px 40px rgba(0,0,0,0.4), 0 0 1px #000;
-webkit-animation: jump 1s infinite;
-moz-animation: jump 1s infinite;
animation: jump 1s infinite;
}
.ball::after {
content: "";
position: absolute;
width: 60px;
height: 30px;
border-radius: 40px / 20px;
left: 30px;
top: 10px;
background: -webkit-linear-gradient(top, rgba(232,232,232,1) 0%,rgba(232,232,232,1) 1%,rgba(255,255,255,0) 100%);
background: -moz-linear-gradient(top, rgba(232,232,232,1) 0%,rgba(232,232,232,1) 1%,rgba(255,255,255,0) 100%);
background: linear-gradient(top, rgba(232,232,232,1) 0%,rgba(232,232,232,1) 1%,rgba(255,255,255,0) 100%);
}
.ball-shadow {
position: absolute;
left: 50%;
bottom: 0;
width: 50px;
height: 65px;
border-radius: 30px / 40px;
margin-left: -25px;
background: rgba(20, 20, 20, 0.1);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.1);
-webkit-transform: scaleY(0.3);
-moz-transform: scaleY(0.3);
transform: scaleY(0.3);
-webkit-animation: shrink 1s infinite;
-moz-animation: shrink 1s infinite;
animation: shrink 1s infinite;
}
/**
* animation
*/
@-webkit-keyframes jump {
0% {
top: 0;
-webkit-animation-timing-function: ease-in;
}
40% {}
50% {
top: 140px;
height: 120px;
-webkit-animtion-timing-function: ease-out;
}
55% {
top: 160px;
height: 100px;
border-radius: 70px/60px;
-webkit-animation-timing-function: ease-in;
}
65% {
top: 110px;
height: 120px;
border-radius: 50%;
-webkit-animation-timing-function: ease-out;
}
95% {
top: 0;
-webkit-animation-timing-function: ease-in;
}
100% {
top: 0;
-webkit-animation-timing-function: ease-in;
}
}
@-moz-keyframes jump {
0% {
top: 0;
-moz-animation-timing-function: ease-in;
}
40% {}
50% {
top: 140px;
height: 120px;
-moz-animtion-timing-function: ease-out;
}
55% {
top: 160px;
height: 100px;
border-radius: 70px/60px;
-moz-animation-timing-function: ease-in;
}
65% {
top: 110px;
height: 120px;
border-radius: 50%;
-moz-animation-timing-function: ease-out;
}
95% {
top: 0;
-moz-animation-timing-function: ease-in;
}
100% {
top: 0;
-moz-animation-timing-function: ease-in;
}
}
@-webkit-keyframes shrink {
0% {
bottom: 0;
margin-left: -30px;
width: 60px;
height: 75px;
background: rgba(20, 20, 20, .1);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.1);
border-radius: 30px / 40px;
-webkit-animation-timing-function: ease-in;
}
50% {
bottom: 30px;
margin-left: -10px;
width: 20px;
height: 5px;
background: rgba(20, 20, 20, .3);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.3);
border-radius: 20px / 20px;
-webkit-animation-timing-function: ease-out;
}
100% {
bottom: 0;
margin-left: -30px;
width: 60px;
height: 75px;
background: rgba(20, 20, 20, .1);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.1);
border-radius: 30px / 40px;
-webkit-animation-timing-function: ease-in;
}
}
@-moz-keyframes shrink {
0% {
bottom: 0;
margin-left: -30px;
width: 60px;
height: 75px;
background: rgba(20, 20, 20, .1);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.1);
border-radius: 30px / 40px;
-moz-animation-timing-function: ease-in;
}
50% {
bottom: 30px;
margin-left: -10px;
width: 20px;
height: 5px;
background: rgba(20, 20, 20, .3);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.3);
border-radius: 20px / 20px;
-moz-animation-timing-function: ease-out;
}
100% {
bottom: 0;
margin-left: -30px;
width: 60px;
height: 75px;
background: rgba(20, 20, 20, .1);
box-shadow: 0px 0 20px 35px rgba(20,20,20,.1);
border-radius: 30px / 40px;
-moz-animation-timing-function: ease-in;
}
}
<div class="ball-wrapper">
<div class="ball"></div>
<div class="ball-shadow"></div>
</div>
