app/views/layouts/_footer.html.erb
<div id="footer">
<div class="holder">
<div class="logos">
<ul class="sponsor">
<li>
<a href="http://www.cites.org">
<%= image_tag "species/logo-CITES.png", alt: "CITES logo", width: "77", height: "44" %>
</a>
</li>
<li>
<a href="http://www.cms.int">
<%= image_tag "species/logo-CMS.png", alt: "CMS logo", width: "31", height: "44" %>
</a>
</li>
<li>
<a href="http://www.unep.org">
<img src="https://s3.amazonaws.com/wcmc.logo/UN-Environment-+logo+2017+grey.svg" alt="UNEP logo" width="65" height="44" />
</a>
</li>
<li>
<a href="http://ec.europa.eu/environment/cites/home_en.htm">
<%= image_tag "species/logo-EU.png", alt: "EU logo", width: "65", height: "44" %>
</a>
</li>
</ul>
<div class="power-by">
<a href="http://www.unep-wcmc.org">
<span class='power-by-title'>POWERED BY</span>
<img src="https://s3.amazonaws.com/wcmc.logo/UN-Environment-WCMC+logo+2017+grey.svg" alt="Powered by logo" width="100" height="40" />
</a>
</div>
</div>
<% unless current_user %>
<div class="login-link">
<a href="#login_modal"><i class="fa fa-sign-in"></i> EU Member Login</a>
</div>
<% end %>
</div>
</div>