diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a1a784f..b08744f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,15 +4,11 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="3745efb7-4727-49d7-a776-8798725fc688" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/inspectionProfiles/profiles_settings.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/ran_kiv.iml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/main.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/rankiv.kv" afterDir="false" />
+    <list default="true" id="3745efb7-4727-49d7-a776-8798725fc688" name="Changes" comment="It’s running! Yeah!">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/main.py" beforeDir="false" afterPath="$PROJECT_DIR$/main.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/rankiv.kv" beforeDir="false" afterPath="$PROJECT_DIR$/rankiv.kv" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/rannum.py" beforeDir="false" afterPath="$PROJECT_DIR$/rannum.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -31,14 +27,15 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;Python.main.executor&quot;: &quot;Run&quot;,
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;master&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "Python.main.executor": "Run",
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "git-widget-placeholder": "master",
+    "settings.editor.selected.configurable": "preferences.lookFeel"
   }
-}</component>
+}]]></component>
   <component name="RunManager">
     <configuration name="main" type="PythonConfigurationType" factoryName="Python" nameIsGenerated="true">
       <module name="ran_kiv" />
@@ -54,7 +51,7 @@
       <option name="ADD_CONTENT_ROOTS" value="true" />
       <option name="ADD_SOURCE_ROOTS" value="true" />
       <option name="SCRIPT_NAME" value="$PROJECT_DIR$/main.py" />
-      <option name="PARAMETERS" value="" />
+      <option name="PARAMETERS" value="--size=360x740" />
       <option name="SHOW_COMMAND_LINE" value="false" />
       <option name="EMULATE_TERMINAL" value="false" />
       <option name="MODULE_MODE" value="false" />
@@ -79,6 +76,19 @@
       <option name="presentableId" value="Default" />
       <updated>1714247286737</updated>
     </task>
+    <task id="LOCAL-00001" summary="It’s running! Yeah!">
+      <option name="closed" value="true" />
+      <created>1714421527721</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1714421527721</updated>
+    </task>
+    <option name="localTasksCounter" value="2" />
     <servers />
   </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="It’s running! Yeah!" />
+    <option name="LAST_COMMIT_MESSAGE" value="It’s running! Yeah!" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/main.py b/main.py
index ab8d073..44ee896 100644
--- a/main.py
+++ b/main.py
@@ -1,23 +1,14 @@
-from random import randint
-
 from kivy.app import App
-from kivy.uix.boxlayout import BoxLayout
-
-
-class RanNum(BoxLayout):
-    pass
+from kivy.properties import NumericProperty
+from rannum import RanNum
 
 
 class RanKivApp(App):
-    def build(self):
-        return RanNum()
+    font_size = NumericProperty(24)
 
-    def generate_random_number(self):
-        try:
-            upper_boundary = int(self.root.ids.upper_boundary_input.text)
-            self.root.ids.output.text = str(randint(1, upper_boundary))
-        except ValueError:
-            self.root.ids.output.text = 'Bitte nur positive,\nganze Zahlen eingeben!'
+    def build(self):
+        self.ran_num = RanNum()
+        return self.ran_num
 
 
 if __name__ == '__main__':
diff --git a/rankiv.kv b/rankiv.kv
index 1e57d6f..6976a8d 100644
--- a/rankiv.kv
+++ b/rankiv.kv
@@ -3,12 +3,12 @@
         orientation: 'vertical'
         Label:
             text: 'Zufallszahl von 1 bis ?'
-            font_size: sp(24)
+            font_size: app.font_size
         TextInput:
             id: upper_boundary_input
             multiline: False
             halign: 'center'
-            font_size: 24
+            font_size: app.font_size
             size_hint: .8, None
             height: 42
             hint_text: 'Gib eine Zahl ein!'
@@ -18,12 +18,12 @@
             size_hint: None, .2
         Button:
             text: 'Generate!'
-            font_size: 24
+            font_size: app.font_size
             size_hint: .5, None
             pos_hint: {'x': .25}
-            on_release: app.generate_random_number()
+            on_release: app.ran_num.generate_random_number()
         Label:
             id: output
             text: 'Meine Zufallszahl'
             halign: 'center'
-            font_size: 24
\ No newline at end of file
+            font_size: app.font_size
\ No newline at end of file
diff --git a/rannum.py b/rannum.py
index e69de29..8cea11e 100644
--- a/rannum.py
+++ b/rannum.py
@@ -0,0 +1,13 @@
+from random import randint
+from kivy.uix.boxlayout import BoxLayout
+
+
+class RanNum(BoxLayout):
+    pass
+
+    def generate_random_number(self):
+        try:
+            upper_boundary = int(self.ids.upper_boundary_input.text)
+            self.ids.output.text = str(randint(1, upper_boundary))
+        except ValueError:
+            self.ids.output.text = 'Bitte nur positive,\nganze Zahlen eingeben!'