.tpgb-hotspot .tpgb-hotspot-inner:after{content:'';position:absolute;left:0;top:0;width:100%;height:100%;background:#fff0;transition:all 0.3s ease;opacity:0;visibility:hidden}.tpgb-hotspot .tpgb-hotspot-inner.overlay-bg-color.on-hover:after{opacity:1;visibility:visible}