diff --git a/swh/web/assets/src/bundles/browse/content.css b/swh/web/assets/src/bundles/browse/content.css
--- a/swh/web/assets/src/bundles/browse/content.css
+++ b/swh/web/assets/src/bundles/browse/content.css
@@ -32,7 +32,7 @@
 }
 
 .chosen-container .chosen-single {
-    height: 31px;
+    height: 100%;
     line-height: 1.5;
     border-radius: 0px;
     background-color: #f4f4f4;
diff --git a/swh/web/assets/src/bundles/webapp/webapp.css b/swh/web/assets/src/bundles/webapp/webapp.css
--- a/swh/web/assets/src/bundles/webapp/webapp.css
+++ b/swh/web/assets/src/bundles/webapp/webapp.css
@@ -351,6 +351,10 @@
 }
 
 @media (max-width: 600px) {
+    .card {
+        min-width: 80%;
+    }
+
     .swh-image-error {
         width: 40px;
         height: auto;
diff --git a/swh/web/templates/includes/top-navigation.html b/swh/web/templates/includes/top-navigation.html
--- a/swh/web/templates/includes/top-navigation.html
+++ b/swh/web/templates/includes/top-navigation.html
@@ -85,7 +85,7 @@
     {% endif %}
   {% endif %}
 
-  <div class="btn-group float-right swh-actions-dropdown">
+  <div class="btn-group float-right swh-actions-dropdown flex d-flex flex-wrap">
     {% if top_right_link %}
       <a href="{{ top_right_link.url | safe }}" class="btn btn-default btn-sm" role="button">
         {% if top_right_link.icon %}