diff --git a/ts/reviewer/reviewer.scss b/ts/reviewer/reviewer.scss
index a2c05d3f5..42833396d 100644
--- a/ts/reviewer/reviewer.scss
+++ b/ts/reviewer/reviewer.scss
@@ -28,6 +28,17 @@ body.nightMode {
     color: var(--fg);
 }
 
+table {
+    border-collapse: collapse;
+    margin: 1em;
+}
+
+th, td {
+    padding: 0.5em;
+    border: 1px solid;
+    border-color: vars.palette(darkgray, 0);
+}
+
 img {
     max-width: 100%;
     max-height: 95vh;