diff --git a/skrub/_reporting/_data/templates/base.css b/skrub/_reporting/_data/templates/base.css
index 02d4abb31..d20f5edb4 100644
--- a/skrub/_reporting/_data/templates/base.css
+++ b/skrub/_reporting/_data/templates/base.css
@@ -28,7 +28,8 @@
 
 :host {
     font-family: var(--fontStack-sansSerif);
-    line-height: 1.15;
+    font-size: 1rem;
+    line-height: 1.5;
     -webkit-text-size-adjust: 100%;
 }