html,body{margin:0;padding:0;height:100%;overflow:hidden}.heartbeat{animation:heartbeat 1s infinite alternate ease-in-out;transform-origin:center;transform-box:fill-box}@keyframes heartbeat{to{transform:scale(.8)}}.golven1{animation:cloud 3s infinite alternate ease-in-out}.golven2{animation:cloud 4s infinite alternate ease-in-out}@keyframes cloud{0%,to{transform:translateY(0)}50%{transform:translateY(1%)}}.ster{animation:ster 10s linear infinite;transform-box:fill-box;transform-origin:center}@keyframes ster{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.swing{animation:swinging 1.5s infinite alternate ease-in-out;transform-origin:center;transform-box:fill-box}@keyframes swinging{0%{transform:rotate(-3deg)}to{transform:rotate(3deg)}}.aeroplane{animation:aeroplane 3s linear forwards;transform-origin:center;transform-box:fill-box}@keyframes aeroplane{0%{transform:translate(-1000px);opacity:1}to{transform:translate(1500px);opacity:0}}