Hello,

Regarding your mentioned concern, please try using the below Custom CSS code and paste it to Dashboard >> Theme Settings >> Custom CSS >> Global CSS section:

.category-grid-item .wrapp-category:hover {
    box-shadow: 0 4px 8px 0 rgb(0 0 0 / 20%), 0 6px 20px 0 rgb(0 0 0 / 19%) !important;
}

Hope this helps !

Best Regards