Template:GBTCF/Bounce.css

root {

 height:calc(2);
 width:250px;

}

body {

 background-color: black;

}

.ball {

 animation: toRight linear 6.8s infinite alternate, bounce linear 17s infinite alternate;
 position:fixed;
 z-index: 100;

}

.ball span span {

   white-space: nowrap; 

}

@keyframes bounce {

 0% {
   top: 0;
 }
 100% {
   top: calc(100vh - 200px);
 }

}

@keyframes toRight {

 0% {
   left: 0;
 }
 100% {
   left: calc(100vw - 400px);
 }

}