* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.container {
    width: 95%;
    max-width: 1000px;
    height: 95%;
    max-height: 1000px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    padding: 20px;
}

header {
    margin-top: 10px;
}

nav {
    margin-bottom: 10px;
}

nav ul {
    list-style-type: none;
    display: flex;
    justify-content: space-around;
    width: 100%;
}

nav ul li {
    position: relative;
    padding: 0 20px;
}

nav ul li:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 1px;
    background-color: #333;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    padding: 10px 0;
    display: inline-block;
}

nav a:hover {
    color: #ff6600;
}

.content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

.content img {
    max-width: 100%;
    max-height: 250px;
    margin-bottom: 15px;
    border-radius: 10px;
}

.content p {
    margin: 10px 0;
}

footer {
    font-size: 14px;
    color: #777;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .container {
        width: 90%;
        height: auto;
        max-width: 600px;
        max-height: none;
        border-radius: 0;
        padding: 10px;
    }

    nav ul {
        flex-direction: column;
        margin-bottom: 20px;
    }

    nav ul li:not(:last-child)::after {
        display: none;
    }

    nav ul li {
        padding: 10px 0;
    }

    .content img {
        max-width: 100%;
        max-height: 180px;
    }

    .content {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 100%;
        height: auto;
        padding: 5px;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        padding: 5px 0;
    }

    .content img {
        max-width: 100%;
        max-height: 150px;
    }

    footer {
        font-size: 12px;
    }
}