Edit on
<div class="img" style="background-image:url(https://cdn-images-1.medium.com/freeze/max/27/1*sg-uLNm73whmdOgKlrQdZA.jpeg?q=20)">
  <div style="padding-bottom: 66.7%;"></div>
</div>
.img {
  background-size: cover;
  background-repeat: no-repeat;
  filter: blur(25px);
}
Rerun