body {
    background-color: #f8f9fa;
    padding: 20px;
}

.main-menu {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.btn {
    padding: 15px;
    font-size: 16px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

h1 {
    color: #333;
    font-weight: bold;
    margin-bottom: 30px;
}

/* Custom colors for different button types */
.btn-primary {
    background-color: #4a90e2;
    border-color: #4a90e2;
}

.btn-info {
    background-color: #5bc0de;
    border-color: #5bc0de;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}