/*首页左右摇晃*/
@keyframes move-l-y {
    0% {
        transform: translateX(0px);
    }
    50% {
        transform: translateX(-50px);
    }
    100% {
        transform: translateX(0px);
    }
}
.move-l-y {
    animation: move-l-y 3s infinite;
}