body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #444;
}

header {
    background-color: hsl(196, 71%, 49%);
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 600;
}

nav {
    background-color: hsl(196, 71%, 49%);
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav ul li {
    display: inline;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #2c3e50;
    border-radius: 5px;
}

section {
    padding: 40px;
    margin: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 20px;
}

p {
    line-height: 1.7;
    margin-bottom: 20px;
}

ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 20px;
}

.video-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.video-container iframe {
    max-width: 100%;
    border-radius: 10px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: hsl(196, 71%, 49%);
    color: white;
    margin-top: 40px;
    border-radius: 0 0 10px 10px;
}

a {
    color: #2c3e50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}