JSFiddle - React, Tailwind, and code Playground
by Igor_Ivancha
HTML
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<div class="container">
<div class="row">
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/399x250" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250g" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250g" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250g" alt="">
</a>
</div>
<div class="col-md-4">
<a href="" class="thumbnail">
<img class="img-responsive" src="http://placehold.it/400x250" alt="">
</a>
</div>
</div>
</div>
CSS
.row {
display: flex;
flex-flow: row wrap;
}
.col-md-4 {
flex-grow: 1;
}