app/views/query_sources/_query_sources.html.erb
<% @search.query_sources.each do |query_source| %>
<div style="display:inline-block; line-height:25px"
onmouseover="$('#query_source_<%= query_source.id %>_delete_link').show();"
onmouseout="$('#query_source_<%= query_source.id %>_delete_link').hide();">
<%= link_to query_source.source.name, query_source_path(query_source, search_id: @search.id), method: :get, remote: true %>
<div style="display:inline-block;width:55px">
<%= link_to 'remove', query_source_path(query_source, search_id: @search.id), method: :delete, remote: true, class: 'btn btn-xs btn-danger-inverse', id: "query_source_#{query_source.id}_delete_link", style: 'display:none' %>
</div>
</div>
<% end %>