Don't use the thead-light class as it overrides the dark/light mode.

Per report from Alvaro Herrera.

templates/account/orglist.html

@@ -6,7 +6,7 @@
 The following organisations are registered in our database.
 </p>
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
      <th>Organisation</th>
      <th>Manager</th>

templates/contributors/list.html

@@ -16,7 +16,7 @@
 {%if t.extrainfo%}<p>{{t.extrainfo|safe}}</p>{%endif%}
 
 <table class="table table-striped contributor-table">
-  <thead class="thead-light">
+  <thead>
     {%if t.detailed%}
     <tr>
      <th scope="col">Contributor</th>

templates/docs/archive.html

@@ -8,7 +8,7 @@
 If you are still using any of these releases, you are strongly advised to upgrade.</p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th class="w-25">Online Version</th>
       <th>PDF Version</th>

templates/docs/index.html

@@ -16,7 +16,7 @@
        You can view the manual for an older version or download a PDF of a manual from the below table.
       </p>
       <table class="table table-striped">
-       <thead class="thead-light">
+       <thead>
 	<tr>
 	 <th class="w-25">Online Version</th>
 	 <th>PDF Version</th>

templates/downloads/productlist.html

@@ -11,7 +11,7 @@
 {% for product in products %}
   <h2 class="news"><a href="{{product.url}}" target="_blank" rel="noopener nofollow">{{product.name}}</a></h2>
   <table class="table table-striped product-table">
-    <thead class="thead-light">
+    <thead>
       <tr>
         <th scope="col">Description</th>
         <th scope="col">License</th>

templates/featurematrix/featurematrix.html

@@ -39,7 +39,7 @@ the text.
     <a name="{{group.group.groupname|slugify}}">{{ group.group.groupname }}</a>
   </h2>
   <table class="table table-striped table-sm">
-    <thead class="thead-light">
+    <thead>
       <tr>
         <th scope="col" width="30%">&nbsp;</th>
         {% for col in group.group.columns %}

templates/pages/about/policies/coc/reports/2020.html

@@ -99,7 +99,7 @@
 <h2>Code of Conduct Committee Applicants: 2018—2020</h2>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Gender</strong></th>
       <th>2020<a href="#footnote1"><sup>1</sup></a></th>
@@ -136,7 +136,7 @@
 </table>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Geography - Country</strong><a href="#footnote2"><sup>2</sup></a></th>
       <th>2020</th>
@@ -283,7 +283,7 @@
 <h2>Code of Conduct Committee Members 2018—2020:</h2>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Gender</strong></th>
       <th>2020</th>
@@ -320,7 +320,7 @@
 </table>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Geography - Country</strong><a href="#footnote2"><sup>2</sup></a></th>
       <th>2020</th>

templates/pages/about/policies/coc/reports/2021.html

@@ -87,7 +87,7 @@
 <h2>Code of Conduct Committee Applicants: 2018—2021</h2>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Gender</strong></th>
       <th>2021</th>
@@ -129,7 +129,7 @@
 </table>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Geography - Country</strong></th>
       <th>2021</th>
@@ -305,7 +305,7 @@
 <h2>Code of Conduct Committee Members 2018—2021:</h2>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Gender</strong></th>
       <th>2021</th>
@@ -347,7 +347,7 @@
 </table>
 
 <table class="table coc-report-table">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th><strong>Geography - Country</strong></th>
       <th>2021</th>

templates/pages/about/policies/coc/reports/2022.html

@@ -104,7 +104,7 @@
 <h2>Code of Conduct Committee Applicants: 2018 - 2022</h2>
 
 <table class="table coc-report-table">
-    <thead class="thead-light">
+    <thead>
         <tr>
             <th><strong>Gender</strong></th>
             <th>2022</th>
@@ -151,7 +151,7 @@
 </table>
 
 <table class="table coc-report-table">
-    <thead class="thead-light">
+    <thead>
         <tr>
             <th><strong>Geography - Country</strong> <sup><a href="#t1">1</a></sup></th>
             <th>2022</th>
@@ -373,7 +373,7 @@
 <h2>Code of Conduct Committee Members 2018 - 2022:</h2>
 
 <table class="table coc-report-table">
-    <thead class="thead-light">
+    <thead>
         <tr>
             <th><strong>Gender</strong></th>
             <th>2022</th>
@@ -420,7 +420,7 @@
 </table>
 
 <table class="table coc-report-table">
-    <thead class="thead-light">
+    <thead>
         <tr>
             <th><strong>Geography - Country</strong></th>
             <th>2022</th>

templates/pages/community/international.html

@@ -7,7 +7,7 @@
 <p>The following are links to international PostgreSQL community websites.</p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th scope="col">Community</th>
       <th scope="col">Description</th>

templates/pages/docs/books.html

@@ -4,7 +4,7 @@
 <h1>Books <i class="fas fa-book"></i></h1>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Cover</th>
       <th>Information</th>

templates/pages/docs/online-resources.html

@@ -5,7 +5,7 @@
 <h1>Tutorials &amp; Other Resources <i class="fas fa-keyboard"></i></h1>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Website URL</th>
       <th>Description</th>

templates/pages/download/linux/redhat.html

@@ -90,7 +90,7 @@ Which version of PostgreSQL you get will depend on the version of
 the distribution:
 </p>
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Distribution</th>
       <th>Version</th>

templates/pages/download/macosx.html

@@ -50,7 +50,7 @@ This download is intended for users who wish to include PostgreSQL as part of an
 </p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th scope="col">PostgreSQL Version</th>
       <th scope="col">64-bit macOS Platforms</th>

templates/pages/download/windows.html

@@ -46,7 +46,7 @@ This download is intended for users who wish to include PostgreSQL as part of an
     for example, desktop releases of Windows:</p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>PostgreSQL Version</th>
       <th>64 Bit Windows Platforms</th>

templates/security/security.html

@@ -178,7 +178,7 @@
 </p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Reference</th>
       <th>Affected</th>
@@ -222,7 +222,7 @@
 </p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Component</th>
       <th>Description</th>

templates/sponsors/servers.html

@@ -10,7 +10,7 @@ different companies and organisations around the world.
 </p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Name</th>
     	<th>Provider</th>

templates/support/versioning.html

@@ -82,7 +82,7 @@ riskier than upgrading.</em>
 <h2>Releases</h2>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Version</th>
       <th>Current minor</th>

templates/survey/results.html

@@ -5,7 +5,7 @@
 <p>The current results of our <strong>{{survey}}</strong> survey are:</p>
 
 <table class="table table-striped">
-  <thead class="thead-light">
+  <thead>
     <tr>
       <th>Answer</th>
       <th>Responses</th>