body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background: radial-gradient(circle, #2b1055, #7597de);
    color: #ffffff;
    overflow: hidden;
}

.timezone-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1rem;
    color: #ffffff;
}

.timezone-selector select {
    padding: 5px;
    font-size: 1rem;
    border: 1px solid #ffffff;
    border-radius: 5px;
    background: #2b1055;
    color: #ffffff;
}

.clock {
    font-size: 6rem;
    font-weight: bold;
    text-align: center;
    border: 4px solid #ffffff;
    padding: 30px;
    border-radius: 15px;
    background: rgba(43, 16, 85, 0.8);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
}