body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #151f28;
    padding: 0;
}

img {
    max-width: 80%;
    height: auto;
    width: auto;
    display: block;
    margin: 0 auto;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@media (min-width: 768px) {
    img {
        max-width: 50%;
    }
}

@media (min-width: 1200px) {
    img {
        max-width: 40%;
    }
}

@media (max-width: 480px) {
    img {
        max-width: 90%;
    }
}