resize image

window.addEventListener('resize', function(event){
  // do stuff here
});

cv2.resize(src, dsize[, dst[, fx[, fy[, interpolation]]]])

img {
 max-width: 100%;
 max-height: 100%;
}
.cat {
 height: 200px;
 width: 200px;
}

object-fit: cover;
width: 100%;
height: 250px;