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              <p>The original image:</p>
<div><img src="http://placehold.it/400x250/f06/fff" alt="a lovely placeholder image"></div>
<p>The image centered in a smaller element:</p>
<div class="avatar"><img src="http://placehold.it/400x250/f06/fff" alt="a lovely placeholder image"></div>
<p>An image with different dimensions, positioned with the same CSS. Notice it is not centered. The margin trick doesn't work because the image is a different width:</p>
<div class="avatar"><img src="http://placehold.it/400x300/60f/fff" alt="a lovely placeholder image"></div>
            
          
!
            
              .avatar {
  height: 160px;
  overflow: hidden;
  position: relative;
  width: 160px;
  
  img {
    height: 100%;
    left: 50%;
    position: absolute;
    margin-left: -128px;
  }
}

body {
  background-color: black;
  color: white;
}

div {
  margin-bottom: 1em;
}
            
          
!
999px
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