body {
    background-color: white;
    color: #333;
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
}
.main-title {
    font-size: 3em;
    font-weight: bold;
    margin-top: 20px;
    text-align: center;
    color: #007bff;
}
.sub-header {
    font-size: 1.5em;
    margin: 20px 0;
    text-align: center;
    color: #333;
}
.card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;  
    margin: 20px;
    height:300px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.card h2 {
    font-size: 1.5em;
    color: #007bff;
}
.card p {
    color: #666;
}