<iframe 
    width="100%" 
    height="550px" 
    src="https://www.youtube.com/embed/a4IFqGwv2jA?si=dMX_EPqj95Rb2xvl?start=0&autoplay=1&mute=1&controls=0&modestbranding=1&showinfo=0&rel=0" 
    title="YouTube video player" 
    frameborder="0" 
    allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" 
    referrerpolicy="strict-origin-when-cross-origin" 
    allowfullscreen>
</iframe>

<!--
<video class="video-intro" autoplay loop muted>
    <source src="<?php echo $CONST_PATH_IMG . '/' . $VIDEO_INTRO_URL; ?>" type="video/mp4" />
</video>

-->