body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f5f5f5;
    margin: 0;
    padding: 20px;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 14px 40px;
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    min-width: 200px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.btn-color {
    background: #0dbdae;
}