diff -r d462a5ced83e -r 7898006e140c src/pyams_default_theme/shared/logo/templates/logos-default.pt
--- a/src/pyams_default_theme/shared/logo/templates/logos-default.pt	Mon Nov 19 15:16:47 2018 +0100
+++ b/src/pyams_default_theme/shared/logo/templates/logos-default.pt	Mon Nov 19 15:17:08 2018 +0100
@@ -1,11 +1,13 @@
-<h3 tal:content="view.title">title</h3>
-<div class="padding-10" i18n:domain="pyams_default_theme">
+<div class="logos" i18n:domain="pyams_default_theme">
+	<h3>${view.title}</h3>
 	<tal:loop repeat="logo context.get_targets()">
-		<tal:if condition="logo is not None">
+		<div class="logo col-lg-2 col-md-2 col-sm-2 col-xs-3"
+			 tal:condition="logo is not None">
 			<a tal:omit-tag="not:logo.url"
-			   tal:attributes="href logo.url" target="_blank">
-				<tal:var content="structure tales:thumbnail(logo.image, 200, 'auto', 'display-inline margin-10')" />
+			   href="${logo.url}" title="${i18n:logo.title}">
+				${structure:tales:picture(logo.image, lg_thumb='square', lg_width=2, md_thumb='square', md_width=2,
+										  sm_thumb='square', sm_width=2, xs_thumb='square', xs_width=3, css_class='thumbnail')}
 			</a>
-		</tal:if>
+		</div>
 	</tal:loop>
 </div>