diff --git a/src/app.rs b/src/app.rs
index f7e5bee..90895e9 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -15,7 +15,7 @@ use crate::{
 };
 use egui::{
     Align, Button, Context, FontData, FontDefinitions, FontId, Image, Key, Modifiers,
-    PointerButton, RichText, ScrollArea, Widget, include_image,
+    PointerButton, RichText, ScrollArea, Theme, Widget, include_image,
 };
 use eyre::eyre;
 
@@ -202,24 +202,26 @@ impl App {
         cc.egui_ctx.set_fonts(fonts);
 
         // markdown font styles
-        cc.egui_ctx.style_mut(|style| {
-            for (name, size) in [
-                ("H1", 28.0),
-                ("H2", 26.0),
-                ("H3", 24.0),
-                ("H4", 22.0),
-                ("H5", 20.0),
-                ("H6", 18.0),
-            ] {
-                style.text_styles.insert(
-                    egui::TextStyle::Name(name.into()),
-                    FontId {
-                        size,
-                        family: egui::FontFamily::Proportional,
-                    },
-                );
-            }
-        });
+        for theme in [Theme::Dark, Theme::Light] {
+            cc.egui_ctx.style_mut_of(theme, |style| {
+                for (name, size) in [
+                    ("H1", 28.0),
+                    ("H2", 26.0),
+                    ("H3", 24.0),
+                    ("H4", 22.0),
+                    ("H5", 20.0),
+                    ("H6", 18.0),
+                ] {
+                    style.text_styles.insert(
+                        egui::TextStyle::Name(name.into()),
+                        FontId {
+                            size,
+                            family: egui::FontFamily::Proportional,
+                        },
+                    );
+                }
+            });
+        }
 
         // enable features on egui_extras to add more image types
         egui_extras::install_image_loaders(&cc.egui_ctx);