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HTML

              
                <div class="intro">
  <h1>Object Fit</h1>
  <p>The object-fit property defines how an element responds to the height and width of its content box. It's intended for images, videos and other embeddable media formats in conjunction with the object-position property. Used by itself, object-fit lets us crop an inline image by giving us fine-grained control over how it squishes and stretches inside its box.</p>
</div>

<div class="gallery">
  
  <figure class="frame fill">
    <div>
      <img src="http://placeimg.com/1800/720/tech">
    </div>
    <figcaption>
      <h2>Fill</h2>
      <p>this is the default value which stretches the image to fit the content box, regardless of its aspect-ratio</p>
    </figcaption>
  </figure>

  <figure class="frame contain">
    <div>
      <img src="http://placeimg.com/1800/720/tech">
    </div>
    <figcaption>
      <h2>Contain</h2>
      <p>increases or decreases the size of the image to fill the box whilst preserving its aspect-ratio.</p>
    </figcaption>
  </figure>

  <figure class="frame cover">
    
      <img src="http://placeimg.com/1800/720/tech">
    
    <figcaption>
      <h2>Cover</h2>
      <p>the image will fill the height and width of its box, once again maintaining its aspect ratio but often cropping the image in the process.</p>
    </figcaption>
  </figure>

  <figure class="frame scale_down">
    <div>
      <img src="http://placeimg.com/1800/720/tech">
    </div>
    <figcaption>
      <h2>Scale Down</h2>
      <p>the image will compare the difference between none and contain in order to find the smallest concrete object size.</p>
    </figcaption>
  </figure>
  
  <figure class="frame none">
    <div>
      <img src="http://placeimg.com/1800/720/tech">
    </div>
    <figcaption>
      <h2>None</h2>
      <p>image will ignore the height and width of the parent and retain its original size.</p>
    </figcaption>
  </figure>
  
  <figure class="frame none position">
    <div>
      <img src="http://placeimg.com/1800/720/tech">
    </div>
    <figcaption>
      <h2>Object Position</h2>
      <p>Use object-position: 50% 100%</p>
    </figcaption>
  </figure>
</div>
              
            
!

CSS

              
                body {
  background: #354B5C;
  color: white;
  padding: 50px;
  font-family: 'Source Code Pro', Monaco;
}

.intro {
  margin: 0 0 50px 20px;
  max-width: 1000px;
}

.gallery {
  display: flex;
  
}
.frame {
  width: 600px;
  height: auto;
  margin: 0 20px;
  img {
    // max-width: 100%;
    height: 320px;
    // width: auto;
    max-width: 100%;
    max-height: 100%;
    float: left;
    border: 1px solid white;
    margin-bottom: 20px;
  }
  
  figcaption {
    color: white;
    text-align: center;
    h2 {
      font-size: 20px;
    }
  }
  
  &.fill {
    img { object-fit: fill; }
  }
  
  &.contain {
    img { object-fit: contain; }
  }
  
  &.cover {
    img { object-fit: cover; }
  }
  
  &.scale_down {
    img { object-fit: scale-down; }
  }
  
  &.none {
    img { object-fit: none; }
  }
  
  &.position {
    img {
      object-position: 50% 100%;
      
    }
  }
}
              
            
!

JS

              
                
              
            
!
999px

Console