*{box-sizing:border-box;margin:0;border:0;padding:0}.div{overflow:hidden;width:100vw;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:azure;gap:5%}.div>img{width:20%;-webkit-animation:ping 2s ease-in-out infinite both;animation:ping 2s ease-in-out infinite both}@-webkit-keyframes ping{0%{-webkit-transform:scale(.2);transform:scale(.2);opacity:.8}80%{-webkit-transform:scale(1.2);transform:scale(1.2);opacity:0}to{-webkit-transform:scale(2.2);transform:scale(2.2);opacity:0}}@keyframes ping{0%{-webkit-transform:scale(.2);transform:scale(.2);opacity:.8}80%{-webkit-transform:scale(1.2);transform:scale(1.2);opacity:0}to{-webkit-transform:scale(2.2);transform:scale(2.2);opacity:0}}