.reward-art img,
.certificate-art img {
    animation: mascot-float 2.5s ease-in-out infinite;
}

.certificate-art img {
    animation-delay: 0.6s;
}

@keyframes mascot-float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .reward-art img,
    .certificate-art img {
        animation: none;
    }
}