body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: #B3FBF1;
}

header {
    text-align: center;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

h1 {
    color: #1a531b;
    font-size: 2.8rem;
    margin: 10px 0;
}

header ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 15px 0;
}

header ul a {
    text-decoration: none;
    color: #444;
    font-size: 1.5rem;
    transition: transform 0.2s, color 0.2s;
}

header ul a:hover {
    color: #2e7d32;
    transform: scale(1.1);
}

main {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

main li {
    list-style: none;
    margin-bottom: 10px;
}

main a {
    color: #2e7d32;
    font-weight: 600;
}

img {
    display: block;
    margin: 25px auto;
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

footer {
    margin-top: 50px;
    text-align: center;
    border-top: 1px solid #ddd;
    padding-top: 20px;
    color: #666;
}

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

.video {
    display: flex;
    flex-direction: column; 
    align-items: center; 
}