body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fa;
}

/* HEADER IMAGE */
.header {
    background: url('image.png') center/cover no-repeat;
    height: 300px;
    position: relative;
}

.overlay {
    background: rgba(0,0,0,0.6);
    height: 100%;
    color: white;
    text-align: center;
    padding-top: 100px;
}

/* NAVBAR */
.navbar {
    background: #111;
}

.navbar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

.navbar ul li {
    display: inline-block;
}

.navbar ul li a {
    display: block;
    padding: 15px 25px;
    color: white;
    text-decoration: none;
}

.navbar ul li a:hover {
    background: #007BFF;
}

/* MAIN */
.container {
    padding: 20px;
}

/* CARD STYLE */
.card {
    background: white;
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* IMAGE */
.main-img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* VIDEO */
.video {
    width: 100%;
    margin-top: 15px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 15px;
    background: #111;
    color: white;
}