body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    color: #0073e6;
}

header p {
    margin: 0;
    font-size: 1.2em;
    color: #555;
}

main {
    padding: 20px;
}

.intro, .features, .how-it-works, .cta {
    margin-bottom: 20px;
}

.features ul, .how-it-works ol {
    padding-left: 20px;
}

.features li, .how-it-works li {
    margin-bottom: 10px;
}

.cta {
    text-align: center;
}

.cta p {
    font-size: 1.2em;
    color: #0073e6;
}

.download-button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1em;
    color: #fff;
    background-color: #0073e6;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.download-button:hover {
    background-color: #005bb5;
}