Center and crop thumbnails with CSS ครอปรูปภาพด้วย css

CSS

.thumbnail {
position: relative;
width: 200px;
height: 200px;
overflow: hidden;
}
.thumbnail img {
position: absolute;
left: 50%;
top: 50%;
height: 100%;
width: auto;
-webkit-transform: translate(-50%,-50%);
-ms-transform: translate(-50%,-50%);
transform: translate(-50%,-50%);
}
.thumbnail img.portrait {
width: 100%;
height: auto;
}

ตัวอย่างการใช้งาน

<div class="thumbnail">
  <img src="landscape-img.jpg" alt="Image" />
</div>
<div class="thumbnail">
  <img src="portrait-img.jpg" class="portrait" alt="Image" />
</div>

Credit : http://jonathannicol.com/blog/2014/06/16/centre-crop-thumbnails-with-css/