body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.container {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background-color: white;
    border-top: 5px solid #28a745;
}
h1 {
    color: #28a745;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
p {
    color: #6c757d;
    font-size: 1.2rem;
}
.highlight {
    color: #28a745;
    font-weight: bold;
}