Adding an icon to portfolio grid overlay in 7.1

Wondering if anyone can help with some css to add icons to the portfolio grid overlay in  7.1?

Hi. Yes. Can you share link to portfolio grid on your site? We can give code easier

Thanks - url is https://www.melooutdoorliving.ca/work

17 hours ago, Brian_Blatnicki said:

Thanks - url is https://www.melooutdoorliving.ca/work

Add to Design > Custom CSS

/* Portfolio icon */
h3.portfolio-title:before {
    content: "";
    display: block;
    width: 30px;
    height: 30px;
    background-image: url(https://cdn.pixabay.com/photo/2021/01/21/17/58/herbstastern-5938056__340.jpg);
    background-size: contain;
    text-align: center;
    background-position: center center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 40%;
}

thanks so much!