body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #a9d9d4;
    color: #032940;
}

h1 {
    color: #032940;
    text-align: center;
    padding: 20px 0;
}

nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 10px;
    background-color: #011826;
    border-bottom: 2px solid #0a6073;
}

nav a {
    color: #a9d9d4;
    text-decoration: none;
    padding: 5px 10px;
}

nav a:hover {
    background-color: #3f9ba6;
    border-radius: 5px;
    color: #011826;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
}

main h2 {
    color: #0a6073;
    margin-top: 20px;
}

main p {
    line-height: 1.6;
    color: #032940;
}

main img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border: 2px solid #0a6073;
    border-radius: 5px;
}

footer {
    background-color: #0a6073;
    color: #a9d9d4;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

footer p {
    margin: 0 0 10px 0;
    font-size: 0.9em;
}

footer nav {
    background-color: transparent;
    border: none;
}

footer nav a {
    color: #a9d9d4;
}

footer nav a:hover {
    color: #3f9ba6;
    text-decoration: underline;
}


.os-section h2,
.future-section h2 {
    color: #0a6073;
}

.page-image {
    max-width: 600px;
    max-height: 400px;

    width: 100%;
    height: auto;
}

.os-info {
    font-size: 1.2em;
    background-color: #f4f4f4;
    padding: 10px;
    border-radius: 5px;
    color: #032940;
    border-left: 4px solid #0a6073;

}

.wiki-text {
    font-size: 1.1em;
    background-color: #a9d9d4;
    padding: 8px;
    border-left: 4px solid #0a6073;
    border-radius: 3px;
    color: #032940;
}

nav img.nav-image {
    max-width: 150px;
    height: auto;
    margin-right: 20px;
    background-color: #ffffff;
    padding: 5px;
    border-radius: 5px;
}




#sources {
    width: 98%;
    margin-top: 20px;
    padding: 10px;
    background-color: #f4f4f4;
    border-left: 4px solid #0a6073;
}

#sources ul {
    list-style-type: none;
    padding-left: 0;
    font-size: 10px;
}

#sources a {
    color: #032940;
    text-decoration: none;
}

#sources a:hover {
    color: #3f9ba6;
    text-decoration: underline;
}

.footer-image {
    max-width: 150px;
    height: auto;
    display: block;
    margin: 0 auto;
    border: none;
}