[data-stack-placement]{display:flex;align-items:center;justify-content:center;width:300px;height:250px;max-width:100%;margin:0 auto}
[data-stack-placement]>a{display:flex;align-items:center;justify-content:center;width:100%;height:250px}
[data-stack-placement] img{display:block;width:100%;height:100%;max-width:300px;max-height:250px;object-fit:contain;border:0;margin:0}