<div class="row">
  <div class="col-md-6 col-md-offset-3">
    <%= image_tag("BHC Strapline.jpg", alt: "BHC Strapline", id: "strapline") %>
  </div>
</div>
<div class="row">
    <%= image_tag("BHC Strapline.jpg", alt: "BHC Strapline", id: "strapline", class: "img-responsive center-block") %>
</div>
Change logic to centre login image
Change logic to centre login image
