body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1em;
    text-align: center;
    border-bottom: 4px solid #3498db;
}

header h1 {
    margin: 0;
}

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

header nav ul li {
    margin: 0 15px;
}

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

header nav ul li a:hover {
    text-decoration: underline;
}

.container {
    display: flex;
    margin: 20px;
    justify-content: space-around;
}

main {
    flex: 2;
    padding: 20px;
    border-right: 2px solid #e0e0e0;
    margin-right: 20px;
}

main section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #ecf0f1;
}

main article {
    margin-bottom: 20px;
    background-color: #ffffff;
    padding: 15px;
    border-radius: 8px;
}

main article h3 {
    color: #2c3e50;
}

aside {
    flex: 1;
    padding: 20px;
    background-color: #f0f0f0;
    border-radius: 8px;
    width: 25%;
}

aside h3 {
    color: #2c3e50;
}

aside ul {
    list-style-type: disc;
    padding-left: 20px;
}

aside ul li {
    margin-bottom: 5px;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1em;
    margin-top: 20px;
    clear: both;
}

footer p {
    font-size: 0.9em;
}

/* Styles for the image and attribution */
main article img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.attribution {
    font-size: 0.7em;
    text-align: center;
    color: #7f8c8d;
    margin-top: 5px;
}

.attribution a {
    color: #3498db;
    text-decoration: none;
}

.attribution a:hover {
    text-decoration: underline;
}