diff --git a/CHANGES b/CHANGES
index c44051f3f89..218e9cdbc03 100644
--- a/CHANGES
+++ b/CHANGES
@@ -19,6 +19,7 @@ Features added
 * #8022: autodoc: autodata and autoattribute directives does not show right-hand
   value of the variable if docstring contains ``:meta hide-value:`` in
   info-field-list
+* #8619: html: kbd role generates customizable HTML tags for compound keys
 * #8132: Add :confval:`project_copyright` as an alias of :confval:`copyright`
 
 Bugs fixed
diff --git a/sphinx/builders/html/transforms.py b/sphinx/builders/html/transforms.py
index 311b1b7a032..5cf536bd001 100644
--- a/sphinx/builders/html/transforms.py
+++ b/sphinx/builders/html/transforms.py
@@ -28,7 +28,7 @@ class KeyboardTransform(SphinxPostTransform):
 
     After::
 
-        <literal class="kbd">
+        <literal class="kbd compound">
             <literal class="kbd">
                 Control
             -
@@ -46,6 +46,7 @@ def run(self, **kwargs: Any) -> None:
             if len(parts) == 1:
                 continue
 
+            node['classes'].append('compound')
             node.pop()
             while parts:
                 key = parts.pop(0)
diff --git a/tests/test_markup.py b/tests/test_markup.py
index 53298aeda91..ac157e75194 100644
--- a/tests/test_markup.py
+++ b/tests/test_markup.py
@@ -244,7 +244,7 @@ def get(name):
         # kbd role
         'verify',
         ':kbd:`Control+X`',
-        ('<p><kbd class="kbd docutils literal notranslate">'
+        ('<p><kbd class="kbd compound docutils literal notranslate">'
          '<kbd class="kbd docutils literal notranslate">Control</kbd>'
          '+'
          '<kbd class="kbd docutils literal notranslate">X</kbd>'
@@ -266,7 +266,7 @@ def get(name):
         # kbd role
         'verify',
         ':kbd:`M-x  M-s`',
-        ('<p><kbd class="kbd docutils literal notranslate">'
+        ('<p><kbd class="kbd compound docutils literal notranslate">'
          '<kbd class="kbd docutils literal notranslate">M</kbd>'
          '-'
          '<kbd class="kbd docutils literal notranslate">x</kbd>'