body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    background-color: #f4f4f4;
    color: #333;
}

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

.main-content {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.instructions-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.instructions-list a {
    text-decoration: none;
    color: #007BFF;
    font-weight: bold;
    transition: color 0.3s;
}

.instructions-list a:hover {
    color: #0056b3;
}