body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

header {
    width: 100%;
    background-color: #00BFFF;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}

.content-section {
    width: 90%;
    max-width: 1000px;
    margin: 20px auto;
    text-align: center;
}

.rotating-image {
    width: 600px;
    height: 300px;
    animation: rotate 5s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}

footer {
    width: 100%;
    background-color: #00BFFF;
    color: white;
    padding: 10px 0;
    text-align: center;
    position: fixed;
    bottom: 0;
}

@media (max-width: 600px) {
    .content-section {
        width: 100%;
    }

    .rotating-image {
        width: 200px;
        height: 200px;
    }
}