body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #489483;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

header p {
    margin: 0;
    font-size: 1.2rem;
}

section {
    padding: 2rem;
    margin: 1rem auto;
    max-width: 600px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    margin-top: 0;
}

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

ul li {
    background: #333;
    color: #fff;
    margin: 0.5rem 0;
    padding: 0.5rem;
    text-align: center;
}

.responsive {
    width: 100%;
    max-width: 750px;
    height: auto;
  }