/* Make WPBakery grid items relative */
.vc_grid-item {
    position: relative;
}

/* Date in top-left corner */
.vc_grid-item .entry-date,
.vc_grid-item .vc_post-date {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(0,0,0,0.7);
    color: #fff;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 3px;
    z-index: 10;
}