body {
    background-color: rgb(157, 199, 212);
    margin: 0; 
    font-family: Arial, sans-serif; 
    font-size: 15px;
}

.container {
    background-color: rgb(255, 255, 255);
    max-width: 800px;
    margin: 0 auto; 
    padding: 20px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
    border-radius: 8px; 
}

.header {
    height: 140px;
    background-size: cover;
    background-position: center;
    color: rgb(0, 0, 0);
    display: flex; 
    justify-content: center; 
    align-items: center;
    font-weight: bold;
    font-size: 25px;
    padding: 0 10px; 
    text-align: center; 
}

footer {
    background-color: rgb(142, 192, 207);
    padding: 20px;
    text-align: center;
    font-size: 25px;
}

code {
    overflow-wrap: break-word;
}

@media (max-width: 600px) {
    img {
        max-width: 490px;
        width: 100%;
        height: auto;
    }

    .header {
        height: auto; 
        font-size: 15px;
        padding: 20px 10px;
        flex-wrap: wrap; 
    }

    body {
        font-size: 14px;
    }

    .container {
        max-width: 95%;
        padding: 15px;
    }
}