.rotating-image {
animation: rotate 20s cubic-bezier(0.4, 0, 0.2, 1) infinite; 
}
@keyframes rotate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.airplane {
animation: sway 2s ease-in-out infinite alternate; }
@keyframes sway {
0% {
transform: translateY(-3px); }
100% {
transform: translateY(3px); }
}