diff --git a/index.html b/index.html
index 1dfb0a8..9937866 100644
--- a/index.html
+++ b/index.html
@@ -63,18 +63,21 @@
       margin-bottom: 0.2em;
     }
 
-    /* Code blocks: fit without scrollbars */
+    /* Code blocks: fill the slide without scrollbars */
     .reveal pre {
       width: 100%;
       max-height: none;
       overflow: visible;
+      margin: 0;
     }
     .reveal pre code {
-      font-size: 0.48em;
-      line-height: 1.45;
+      font-size: 0.55em;
+      line-height: 1.5;
       max-height: none;
       overflow: visible;
+      padding: 0.8em;
     }
+    .filename { margin-top: 0; }
 
     /* Tool logos — fixed like OVHcloud logo, toggled by JS per slide */
     .tool-logo-global {