.options-group {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.live-clock-card {
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.05);
}