body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7fb;
    color: #333;
    text-align: center;
    padding: 40px;
}
header {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 50px 30px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.subtitle {
    font-size: 18px;
    margin-top: 10px;
}
.tagline {
    font-size: 16px;
    margin: 10px 0 30px;
    color: #555;
}
.buttons a {
    display: inline-block;
    margin: 10px;
    padding: 12px 24px;
    background-color: #0066cc;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}
.buttons a:hover {
    background-color: #004c99;
}