.floating { animation-name: floating; animation-duration: 5s; animation-iteration-count: infinite; animation-timing-function: ease-in-out; margin-left: 0px; margin-top: 0px;} @keyframes floating { 0% { transform: translate(0, 0px); } 50% { transform: translate(0, 15px); } 100% { transform: translate(0, -0px); } }