body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: url('mer.jpg') no-repeat center center fixed;
    background-size: cover;
    color: white;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    background: rgba(0,0,0,0.5);
}

nav a {
    margin-left: 20px;
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    text-align: center;
    padding: 120px 20px;
    background: rgba(0,0,0,0.4);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #ffcc00;
    color: black;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
}

.content {
    background: rgba(0,0,0,0.5);
    padding: 30px;
    margin: 40px;
    border-radius: 10px;
}

footer {
    text-align: center;
    padding: 10px;
    background: rgba(0,0,0,0.5);
}

.logo {
    width: 32em;
    height: auto;
    margin-bottom: 20px;
}