video {
        max-width: 100%;
    }
</style>

<script>
    const videoPlayer = document.getElementById('videoPlayer');
    const seekBar = document.getElementById('seekBar');

    seekBar.addEventListener('input', () => {
        const seekTime = (videoPlayer.duration / 100) * seekBar.value;
        videoPlayer.currentTime = seekTime;
    });
</script>