.floatUp{animation:floatUpDown 3s ease-in-out infinite alternate}@keyframes floatUpDown{0%{transform:translateY(0)}to{transform:translateY(30px)}}.floatDown{animation:floatDown 3s ease-in-out infinite alternate}@keyframes floatDown{0%{transform:translateY(0)}to{transform:translateY(-30px)}}