diff --git a/scipost_django/scipost/templates/scipost/index.html b/scipost_django/scipost/templates/scipost/index.html
index 4f84ebd6305ac32c2fc149dcf25649bb4c4bf81e..aba5f3810ed52dba3ab067b8a0da1b01afdbc917 100644
--- a/scipost_django/scipost/templates/scipost/index.html
+++ b/scipost_django/scipost/templates/scipost/index.html
@@ -112,7 +112,12 @@
         <ul class="list list-unstyled">
           {% for sponsor in current_sponsors %}
             {% if sponsor.logo %}
-              <li class="p-2"><img class="rounded" src="{{ sponsor.logo.url }}" alt="{{ sponsor.name }} logo"></li>
+              <li class="p-2">
+		<img class="rounded"
+		     style="max-height: 8rem; max-width: 16rem;"
+		     src="{{ sponsor.logo.url }}"
+		     alt="{{ sponsor.name }} logo">
+	      </li>
             {% endif %}
           {% endfor %}
         </ul>
@@ -128,7 +133,7 @@
       <div class="col-md-8 logos">
         <a href="//www.crossref.org" target="_blank" rel="noopener"><img src="//assets.crossref.org/logo/crossref-logo-200.svg" width="100" alt="Crossref logo"></a>
         <a href="//www.doaj.org" target="_blank" rel="noopener"><img src="{% static 'scipost/images/doaj_logo_200.jpg' %}" width="90" alt="DOAJ logo"></a>
-        <a href="//www.clockss.org" target="_blank" rel="noopener"><img src="{% static 'scipost/images/clockss_original_logo_boxed_ai-cropped-90.png' %}" width="80" alt="Clockss logo"></a>
+        <a href="//www.clockss.org" target="_blank" rel="noopener"><img src="{% static 'scipost/images/clockss-boxed-logo-90w.png' %}" width="80" alt="Clockss logo"></a>
         <a href="//i4oc.org/" target="_blank" rel="noopener"><img width="100" src="{% static 'scipost/images/I4OC.png' %}" alt="I4OC logo"></a>
         <a href="//freejournals.org" target="_blank" rel="noopener"><img width="100" src="{% static 'scipost/images/FJN-logo-long.png' %}" alt="FJN logo"></a>
       </div>