de-item-hover-text-appear.css

.title-image-hover .et_pb_de_mach_title,
.title-image-hover .et_pb_db_product_title,
.title-image-hover .et_pb_df_title {
    position: absolute; /* Move ontop of image */
    top: 50%; /* Position in center vertically */
    transform: translateY(-50%); /* Position in center vertically */
    left: 0;
    opacity: 0; /* Hide */
    -webkit-transition: all 0.3s ease-in-out; /* Animation to fade in */
    -ms-transition: all 0.3s ease-in-out; /* Animation to fade in */
    transition: all 0.3s ease-in-out; /* Animation to fade in */
    width: 100%
}

.title-image-hover:hover .et_pb_de_mach_title,
.title-image-hover:hover .et_pb_db_product_title,
.title-image-hover:hover .et_pb_df_title  {
opacity: 1; /* make visible when you hover over the section */
}