diff --git a/demo/assets/theme.json b/demo/assets/theme.json
index 1f6230a..5302adb 100644
--- a/demo/assets/theme.json
+++ b/demo/assets/theme.json
@@ -10,7 +10,7 @@
     "font_size_header_title": 100,
     "font_size_header_slides": 80,
     "font_size_text": 40,
-    "vertical_offset": 20.0,
+    "vertical_offset": 0.0,
     "horizontal_offset": 100.0,
     "line_height": 2.0,
     "blockquote_background_color": "#333333",
diff --git a/demo/rusty-code.wasm b/demo/rusty-code.wasm
index a642b1d..81ce585 100755
Binary files a/demo/rusty-code.wasm and b/demo/rusty-code.wasm differ