diff --git a/src/main.py b/src/main.py
index f02f64d..8d568a3 100644
--- a/src/main.py
+++ b/src/main.py
@@ -35,6 +35,10 @@ class LumosApplication(Adw.Application):
     def __init__(self):
         super().__init__(application_id='eu.ichibi.Lumos',
                          flags=Gio.ApplicationFlags.DEFAULT_FLAGS)
+        # Load css
+        self.__base_css_resource = "{}/style.css".format(self.props.resource_base_path)
+
+        # Create actions
         self.create_action('quit', lambda *_: self.quit(), ['<primary>q'])
         self.create_action('about', self.on_about_action)
         self.create_action('preferences', self.on_preferences_action)
diff --git a/src/style.css b/src/style.css
new file mode 100644
index 0000000..834eb1c
--- /dev/null
+++ b/src/style.css
@@ -0,0 +1,5 @@
+label.lumos-big-result {
+	font-size: 80px;
+	font-weight: 800;
+}
+