body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 2rem;
    color: #333;
    background-color: #fff;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
}

a {
    color: #000;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    margin-bottom: 1.5rem;
}

article {
    max-width: 650px;
    margin: 0 auto;
}

footer nav {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

/* General Image Styling */
img {
    max-width: 75%; /* Images take up 75% of the available screen width */
    width: 100%; /* Ensure proper scaling within containers */
    height: auto; /* Maintain aspect ratio */
    display: block; /* Centering compatibility */
    margin: 1rem auto; /* Center the image and add spacing */
}

/* Responsive Design: Full-Width Images on Smaller Screens */
@media (max-width: 768px) {
    img {
        max-width: 100%; /* Images take up full screen width */
    }

iframe {
    max-width: 75%; /* Images take up 75% of the available screen width */
    width: 100%; /* Ensure proper scaling within containers */
    height: auto; /* Maintain aspect ratio */
    display: block; /* Centering compatibility */
    margin: 1rem auto; /* Center the image and add spacing */
    align: center; 
}

/* Responsive Design: Full-Width Images on Smaller Screens */
@media (max-width: 768px) {
    iframe {
        max-width: 100%; /* Images take up full screen width */
    }
}