<style>

    .video {
width: 80%;
height: 50%;
display: block;
margin: 0 auto;
}

    /* Stili per desktop */
    .desktop-content {
        display: block;
    }

    /* Stili per dispositivi mobili */
    .mobile-content {
        display: none;
    }

    /* Media query per dispositivi con larghezza massima di 768px (tablet e dispositivi mobili) */
    @media only screen and (max-width: 768px) {
        .desktop-content {
            display: none;
        }
        .mobile-content {
            display: block;
        }
    }
</style>

    <div class="desktop-content">
       <!-- Contenuto per desktop -->
  <h1 data-mce-fragment="1"><video loop="loop" playsinline="" autoplay="autoplay" muted="">
  <source type="video/mp4" src="https://cdn.shopify.com/videos/c/o/v/6fd90596fad142ed9cf4d0f9f9f31590.mp4">
  <source type="video/mp4" src="https://cdn.shopify.com/videos/c/o/v/6fd90596fad142ed9cf4d0f9f9f31590.mp4"></video></h1>

    </div>

    <div class="mobile-content">
        <!-- Qui dentro ci metti quello che cazzo ti pare -->
    </div>