.clock-wrapper {
    text-align: center;
    margin-top: 2em;
}

#clockCanvas {
    border: 2px solid #4a90e2;
    border-radius: 50%;
    background: #fff;
}

#timeDisplay {
    margin-top: 1em;
    font-size: 1.5em;
    color: #333;
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}