If you want to make heart icon appears when hovering on each image in Gallery Grid Simple. Like this.
You can use this code to Custom CSS box.
/* Gallery Grid - Heart Icon */ .gallery-grid-item { position: relative; } .gallery-grid-item::before { content: '\2764'; /* Unicode for the heart symbol */ font-size: 40px; /* Adjust size as needed */ color: white; /* Heart color */ position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); opacity: 0; transition: opacity 0.3s ease; pointer-events: none; /* Prevent any interaction with the pseudo-element */ z-index: 999; } .gallery-grid-item:hover::before { opacity: 1; /* Show the heart icon on hover */ }