.float-1{animation:floatY 5.5s ease-in-out infinite}.float-2{animation:floatY 4.2s ease-in-out infinite .3s}.float-3{animation:floatY 3.8s ease-in-out infinite .6s}@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}