CSS: Column Count + Transform + Scale + Transition = strange behavior

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I want to use a zoom via css to enlarge an image within a container, which has a border-radius of 50 % to simulate a round circle.

I was wondering why my solution did not work and found this answer here: picture with border-radius 50% and transform(scale)

I copied the code and applied it to mine, but the the behavior still exists.

Does anyone know why the image became a rectangle during the transition when it is in a container with a column-count of 2?

.col {
  column-count: 2;
}

img{
  width: 100px;
  height: 100px;
}

.hopp_circle_img {
  width: 100px !important;
  height: 100px !important;
  max-width: 100% !important;
  max-height: 100% !important;
  overflow: hidden;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  -o-border-radius: 50%;
  border-radius: 50%;
}

.hopp_circle_img img {
  transition: all 0.8s;
  -moz-transition: all 0.8s;
  -webkit-transition: all 0.8s;
  -o-transition: all 0.8s;
  -ms-transition: all 0.8s;
}

.hopp_circle_img img:hover {
  display: block;
  z-index: 100;
  transform: scale(1.25);
  -moz-transform: scale(1.25);
  -webkit-transform: scale(1.25);
  -o-transform: scale(1.25);
  -ms-transform: scale(1.25);
}
Strange:<br />
<div class="col">
  <div class="hopp_circle_img">
    <img src="https://images.pexels.com/photos/325185/pexels-photo-325185.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260" alt="" />
  </div>
</div>

Works like charm:<br />
  <div class="hopp_circle_img">
    <img src="https://images.pexels.com/photos/325185/pexels-photo-325185.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260" alt="" />
  </div>

1 Answers
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