diff --git a/packages/@tailwindcss-postcss/src/__snapshots__/index.test.ts.snap b/packages/@tailwindcss-postcss/src/__snapshots__/index.test.ts.snap
index cf0794ff2eed..9c3997a1657e 100644
--- a/packages/@tailwindcss-postcss/src/__snapshots__/index.test.ts.snap
+++ b/packages/@tailwindcss-postcss/src/__snapshots__/index.test.ts.snap
@@ -460,6 +460,11 @@ exports[`\`@import 'tailwindcss'\` is replaced with the generated CSS 1`] = `
     border-collapse: collapse;
   }
 
+  th {
+    text-align: inherit;
+    font-weight: inherit;
+  }
+
   :-moz-focusring {
     outline: auto;
   }
diff --git a/packages/tailwindcss/preflight.css b/packages/tailwindcss/preflight.css
index a307c6d605ca..ae03e86ca54a 100644
--- a/packages/tailwindcss/preflight.css
+++ b/packages/tailwindcss/preflight.css
@@ -174,6 +174,15 @@ table {
   border-collapse: collapse; /* 3 */
 }
 
+/*
+  Remove default alignment and font-weight table header elements.
+*/
+
+th {
+  text-align: inherit;
+  font-weight: inherit;
+}
+
 /*
   Use the modern Firefox focus style for all focusable elements.
 */