@keyframes wigglePause {
    0% {
        transform: rotate(0deg);
    }

    5% {
        transform: rotate(5deg);
    }

    10% {
        transform: rotate(-3deg);
    }

    15% {
        transform: rotate(5deg);
    }

    20% {
        transform: rotate(5deg);
    }

    25% {
        transform: rotate(-3deg);
    }

    30% {
        transform: rotate(5deg);
    }

    35% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(0deg);
    }

    /* 後面 80% 保持不動，達到停頓效果 */
}

.wigglePause {
    animation: wigglePause 2s infinite;
    transform-origin: center;
}