Merge pull request #8840 from Calinou/theme-fix-caption-color

Fix table caption text color on dark theme

(cherry picked from commit 87298e86bf81a85ed646081edfff71098b8a8ea8)

_static/css/custom.css

@@ -360,7 +360,8 @@ article ol,
 }
 
 body,
-.rst-content table.docutils thead {
+.rst-content table.docutils thead,
+.rst-content table.docutils caption {
     color: var(--body-color);
 }