body {
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin-top: 50px;
}

h1 {
    color: #343a40;
    text-align: center;
    margin-bottom: 40px;
}

.card {
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.table {
    margin-top: 30px;
}