body {
  overflow: hidden;
  margin: 0;
}

#main-img {
  border: none;
  -webkit-filter: grayscale(30);
          filter: grayscale(30);
 webkit-filter: blur(10px); 
    filter: blur(10px);
}

#zoom-img {
  pointer-events: none;
  position: relative;
  top: 50%;
  left: 50%;
}

#zoom {
  position: absolute;
  width: 250px;
  height: 250px;
  box-shadow: 0 0 0 2px rgba(25, 40, 130, 0.5);
  border-radius: 50%;
  border: 5px solid #A0C9DE;
  top: 0;
  left: 0;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  webkit-filter: blur(0px); 
  filter: blur(0px);
}