body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
}

.clock-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 50px 80px;
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(0,0,0,0.3);
}

#clock {
    font-size: 4rem;
    color: #ffffff;
    letter-spacing: 2px;
    text-align: center;
    transition: all 0.5s ease; /* плавные переходы при изменении времени */
}