a.image_open { display: flex !important; position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 99; background: #000a; }
a.image_open > img { width: 90vmin !important; height: 80%; display: block; margin: auto; object-fit: contain; animation: zoomIn 0.3s; }

@keyframes zoomIn { 0% { transform: scale(0.5); } 100% { transform: scale(1); } }