diff --git a/src/flask_covid19/blueprints/data_owid/templates/owid/country/all/owid_country_all_table.html b/src/flask_covid19/blueprints/data_owid/templates/owid/country/all/owid_country_all_table.html
index c2b4b4cf1446649c0cc86aa1a29cd53135adcf57..c6c85bfd07f38ae38a9d904245ecbc76d7e62425 100644
--- a/src/flask_covid19/blueprints/data_owid/templates/owid/country/all/owid_country_all_table.html
+++ b/src/flask_covid19/blueprints/data_owid/templates/owid/country/all/owid_country_all_table.html
@@ -39,7 +39,7 @@
             </tr>
         {% endfor %}
         </tbody>
-        <tfoot>
+        <tfoot class="table-secondary">
             {% include 'owid/country/all/owid_country_all_table_head.html' %}
         </tfoot>
     </table>
diff --git a/src/flask_covid19/blueprints/data_owid/templates/owid/flat/owid_flat_table.html b/src/flask_covid19/blueprints/data_owid/templates/owid/flat/owid_flat_table.html
index 5c6b5159609adb5d7f66338442e41f96c0d07f72..bf7eed1b8de24f751abcf1d96693a9a98c912e01 100644
--- a/src/flask_covid19/blueprints/data_owid/templates/owid/flat/owid_flat_table.html
+++ b/src/flask_covid19/blueprints/data_owid/templates/owid/flat/owid_flat_table.html
@@ -1,6 +1,6 @@
                 <div class="table-responsive">
                 <table class="table table-hover table-striped table-dark">
-                    <thead>
+                    <thead class="table-secondary">
                         {% include 'owid/flat/owid_flat_table_header.html' %}
                     </thead>
                     <tbody>
@@ -68,7 +68,7 @@
                         </tr>
                     {% endfor %}
                     </tbody>
-                    <tfoot>
+                    <tfoot class="table-secondary">
                          {% include 'owid/flat/owid_flat_table_header.html' %}
                     </tfoot>
                 </table>
diff --git a/src/flask_covid19/blueprints/data_owid/templates/owid/imported/owid_imported_table.html b/src/flask_covid19/blueprints/data_owid/templates/owid/imported/owid_imported_table.html
index ac8c1c073898d473f96aada57c453d3019af0194..d3be58ddb767c2160f542d1399b751645c8220fe 100644
--- a/src/flask_covid19/blueprints/data_owid/templates/owid/imported/owid_imported_table.html
+++ b/src/flask_covid19/blueprints/data_owid/templates/owid/imported/owid_imported_table.html
@@ -1,6 +1,6 @@
                 <div class="table-responsive">
                 <table class="table table-hover table-striped table-dark">
-                    <thead>
+                    <thead class="table-secondary">
                         {% include 'owid/imported/owid_imported_table_head.html' %}
                     </thead>
                     <tbody>
@@ -68,7 +68,7 @@
                         </tr>
                     {% endfor %}
                     </tbody>
-                    <tfoot>
+                    <tfoot class="table-secondary">
                         {% include 'owid/imported/owid_imported_table_head.html' %}
                     </tfoot>
                 </table>
diff --git a/src/flask_covid19/blueprints/data_owid/templates/owid/owid_data/owid_data_table.html b/src/flask_covid19/blueprints/data_owid/templates/owid/owid_data/owid_data_table.html
index 25ddca085da9b3e9c9c34baa9e83fe54c696eed6..e03f2b0494d0dbee069b8759a36c87e788bac4be 100644
--- a/src/flask_covid19/blueprints/data_owid/templates/owid/owid_data/owid_data_table.html
+++ b/src/flask_covid19/blueprints/data_owid/templates/owid/owid_data/owid_data_table.html
@@ -144,7 +144,7 @@
             </tr>
         {% endfor %}
         </tbody>
-        <tfoot>
+        <tfoot class="table-secondary">
             {% include 'owid/owid_data/owid_data_table_head.html' %}
         </tfoot>
     </table>