<div class='container-fluid'>
  <div class="img-wrap">
    <img src="http://i63.tinypic.com/2nb53ba.jpg" class='img1'>
    <img src="https://preview.ibb.co/jW521y/lia2.png" class='img2'>
  </div>
</div>

.img-wrap {
  position: relative;
}

.img1 {
  width: 100%;
  height: auto;
}

.img2 {
  position: absolute;
  right: 20px;
  bottom: 0;
  height: 100%;
  width: auto;
}