diff --git a/packages/share-theme/src/styles/content.css b/packages/share-theme/src/styles/content.css
index 25804ebbee..309ab0e210 100644
--- a/packages/share-theme/src/styles/content.css
+++ b/packages/share-theme/src/styles/content.css
@@ -82,7 +82,19 @@ body.type-webView {
 }
 
 /* table styles */
+.ck-content table {
+    border-collapse: collapse;
+    width: 100%;
+}
+
 .ck-content table td,
 .ck-content table th {
     min-width: 120px;
+    border: 1px solid var(--background-highlight);
+    padding: 8px;
+}
+
+.ck-content table th {
+    background-color: var(--background-secondary);
+    font-weight: bold;
 }