sorry for the late reply! make sure it says this, if its not working do you mind sharing what it looks like with me?

<div class="py-4 px-4 container-fluid mb-1" style="max-width: 900px; background-image: url(IMAGE-URL); background-size: cover; background-position: center; background-color: rgb(0, 0, 0, 0.0); background-repeat: no-repeat; border-radius: 30px;">