CodePen

HTML

            
              <div class="outer">
  <img src="http://placehold.it/250x100" />
  <img src="http://placehold.it/150x100" />
  <img src="http://placehold.it/400x100" /><!--
--></div>

            
          
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CSS

            
              
.outer {
    text-align: justify;
}
.outer img {
		display: inline-block;
   vertical-align: center;
}
.outer::after {
    width: 100%;
    height: 0;
		display: inline-block;
    content: "";
}
            
          
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JS

            
              
            
          
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