diff --git a/SCRUM-Timer/CountdownTimer.cs b/SCRUM-Timer/CountdownTimer.cs
index 3af1e45..2382efb 100644
--- a/SCRUM-Timer/CountdownTimer.cs
+++ b/SCRUM-Timer/CountdownTimer.cs
@@ -10,7 +10,7 @@ public class CountdownTimer
     public TimeSpan ActualTime { get; private set; }
     public bool isRunning;
     private Thread timerThread;
-    
+
     private readonly object _lock = new();
     private LibVLC libVlc = null!;
     private Media media = null!;
@@ -25,17 +25,17 @@ public class CountdownTimer
     {
         ActualTime = new TimeSpan(0, 5, 0);
         isRunning = false;
-        
+
         //init sound system
-        Core.Initialize(); 
+        Core.Initialize();
         libVlc = new LibVLC();
-        
-            // Sound-Datei: Assets/ringtone001.wav muss ins Output kopiert werden
-            soundPath = Path.Combine(AppContext.BaseDirectory, "Assets", "ringtone001.wav");
+
+
+        soundPath = Path.Combine(AppContext.BaseDirectory, "Assets", "ringtone001.wav");
         if (!File.Exists(soundPath))
             Console.WriteLine($"Warnung: Sound nicht gefunden: {soundPath}");
 
-        // MediaPlayer einmal anlegen; Media beim Abspielen setzen/erneuern
+
         mp = new MediaPlayer(libVlc);
     }
 
@@ -94,7 +94,6 @@ public class CountdownTimer
     {
         lock (_lock)
         {
-            // Media pro Abspielvorgang frisch erzeugen, damit von Anfang an gespielt wird
             using var media = new Media(libVlc, soundPath, FromType.FromPath);
             mp.Media = media;
             mp.Play();
diff --git a/SCRUM-Timer/Views/MainWindow.axaml b/SCRUM-Timer/Views/MainWindow.axaml
index 1828d5e..e1fb2cd 100644
--- a/SCRUM-Timer/Views/MainWindow.axaml
+++ b/SCRUM-Timer/Views/MainWindow.axaml
@@ -9,8 +9,9 @@
         Icon="/Assets/avalonia-logo.ico"
         Title="SCRUM_Timer"
         Background="#DCA44B"
-        Height="230"
-        Width="320">
+        SizeToContent="WidthAndHeight"
+        Padding="20"
+        CanResize="False">
 
 
     <Design.DataContext>
@@ -22,14 +23,16 @@
     <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="40">
         <TextBlock x:Name="TimeText" FontSize="40" FontFamily="Alumni" HorizontalAlignment="Center"
                    VerticalAlignment="Center" />
-        <DockPanel HorizontalSpacing="10">
+        <DockPanel HorizontalSpacing="10" HorizontalAlignment="Center">
             <TextBlock>Select Time: </TextBlock>
-            <TimePicker x:Name="TimePick"  ClockIdentifier="24HourClock" UseSeconds="True" SelectedTime="00:05:00" SelectedTimeChanged="TimePickHandlerTimeChanged"/>
+            <TimePicker x:Name="TimePick" ClockIdentifier="24HourClock" UseSeconds="True" SelectedTime="00:05:00"
+                        SelectedTimeChanged="TimePickHandlerTimeChanged"
+                        Height="25" />
         </DockPanel>
         <DockPanel HorizontalSpacing="40">
-            <Button Content="Start/Stop" Click="ButtonHandlerStartStop"/>
-            <Button Content="Reset" Click="ButtonHandlerReset"/>
-            <Button Content="+ 05:00" Click="ButtonHandlerAddTime" />
+            <Button Content="Start/Stop" Click="ButtonHandlerStartStop" Width="90" HorizontalContentAlignment="Center" />
+            <Button Content="Reset" Click="ButtonHandlerReset" Width="90" HorizontalContentAlignment="Center" />
+            <Button Content="+ 05:00" Click="ButtonHandlerAddTime" Width="90" HorizontalContentAlignment="Center" />
         </DockPanel>
     </StackPanel>
 
diff --git a/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.dgspec.json b/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.dgspec.json
index 0d59b01..f129de7 100644
--- a/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.dgspec.json
+++ b/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.dgspec.json
@@ -75,6 +75,12 @@
               "target": "Package",
               "version": "[*, )"
             },
+            "Microsoft.NET.ILLink.Tasks": {
+              "suppressParent": "All",
+              "target": "Package",
+              "version": "[9.0.10, )",
+              "autoReferenced": true
+            },
             "VideoLAN.LibVLC.Windows": {
               "target": "Package",
               "version": "[3.0.21, )"
@@ -100,6 +106,10 @@
               "name": "Microsoft.AspNetCore.App.Runtime.win-x64",
               "version": "[9.0.10, 9.0.10]"
             },
+            {
+              "name": "Microsoft.NETCore.App.Crossgen2.linux-x64",
+              "version": "[9.0.10, 9.0.10]"
+            },
             {
               "name": "Microsoft.NETCore.App.Host.linux-x64",
               "version": "[9.0.10, 9.0.10]"
diff --git a/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.g.props b/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.g.props
index fb655d3..ded88d0 100644
--- a/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.g.props
+++ b/SCRUM-Timer/obj/SCRUM-Timer.csproj.nuget.g.props
@@ -7,17 +7,19 @@
     <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/home/simon/.nuget/packages/</NuGetPackageRoot>
     <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/home/simon/.nuget/packages/</NuGetPackageFolders>
     <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
-    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.14.0</NuGetToolVersion>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.12.4</NuGetToolVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
     <SourceRoot Include="/home/simon/.nuget/packages/" />
   </ItemGroup>
   <ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
     <Import Project="$(NuGetPackageRoot)skiasharp.nativeassets.webassembly/2.88.9/buildTransitive/netstandard1.0/SkiaSharp.NativeAssets.WebAssembly.props" Condition="Exists('$(NuGetPackageRoot)skiasharp.nativeassets.webassembly/2.88.9/buildTransitive/netstandard1.0/SkiaSharp.NativeAssets.WebAssembly.props')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.illink.tasks/9.0.10/build/Microsoft.NET.ILLink.Tasks.props" Condition="Exists('$(NuGetPackageRoot)microsoft.net.illink.tasks/9.0.10/build/Microsoft.NET.ILLink.Tasks.props')" />
     <Import Project="$(NuGetPackageRoot)harfbuzzsharp.nativeassets.webassembly/8.3.1.1/buildTransitive/netstandard1.0/HarfBuzzSharp.NativeAssets.WebAssembly.props" Condition="Exists('$(NuGetPackageRoot)harfbuzzsharp.nativeassets.webassembly/8.3.1.1/buildTransitive/netstandard1.0/HarfBuzzSharp.NativeAssets.WebAssembly.props')" />
     <Import Project="$(NuGetPackageRoot)avalonia/11.3.6/buildTransitive/Avalonia.props" Condition="Exists('$(NuGetPackageRoot)avalonia/11.3.6/buildTransitive/Avalonia.props')" />
   </ImportGroup>
   <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <PkgMicrosoft_NET_ILLink_Tasks Condition=" '$(PkgMicrosoft_NET_ILLink_Tasks)' == '' ">/home/simon/.nuget/packages/microsoft.net.illink.tasks/9.0.10</PkgMicrosoft_NET_ILLink_Tasks>
     <PkgAvalonia_BuildServices Condition=" '$(PkgAvalonia_BuildServices)' == '' ">/home/simon/.nuget/packages/avalonia.buildservices/0.0.31</PkgAvalonia_BuildServices>
     <PkgAvalonia Condition=" '$(PkgAvalonia)' == '' ">/home/simon/.nuget/packages/avalonia/11.3.6</PkgAvalonia>
   </PropertyGroup>
diff --git a/SCRUM-Timer/obj/project.assets.json b/SCRUM-Timer/obj/project.assets.json
index 7d16323..57e8f7d 100644
--- a/SCRUM-Timer/obj/project.assets.json
+++ b/SCRUM-Timer/obj/project.assets.json
@@ -491,6 +491,12 @@
           "lib/net5.0/MicroCom.Runtime.dll": {}
         }
       },
+      "Microsoft.NET.ILLink.Tasks/9.0.10": {
+        "type": "package",
+        "build": {
+          "build/Microsoft.NET.ILLink.Tasks.props": {}
+        }
+      },
       "Microsoft.NETCore.Platforms/1.1.1": {
         "type": "package",
         "compile": {
@@ -1861,6 +1867,12 @@
           "lib/net5.0/MicroCom.Runtime.dll": {}
         }
       },
+      "Microsoft.NET.ILLink.Tasks/9.0.10": {
+        "type": "package",
+        "build": {
+          "build/Microsoft.NET.ILLink.Tasks.props": {}
+        }
+      },
       "Microsoft.NETCore.Platforms/1.1.1": {
         "type": "package",
         "compile": {
@@ -3369,6 +3381,12 @@
           "lib/net5.0/MicroCom.Runtime.dll": {}
         }
       },
+      "Microsoft.NET.ILLink.Tasks/9.0.10": {
+        "type": "package",
+        "build": {
+          "build/Microsoft.NET.ILLink.Tasks.props": {}
+        }
+      },
       "Microsoft.NETCore.Platforms/1.1.1": {
         "type": "package",
         "compile": {
@@ -5146,6 +5164,40 @@
         "microcom.runtime.nuspec"
       ]
     },
+    "Microsoft.NET.ILLink.Tasks/9.0.10": {
+      "sha512": "NdAbLBp8Air1T69jGNLsPma2YGCYlnrVCIAgCoDE+mOS5D2T7CTb3QyXIYOTSneNVe5z8oDQyM+2At4AQDJWAQ==",
+      "type": "package",
+      "path": "microsoft.net.illink.tasks/9.0.10",
+      "hasTools": true,
+      "files": [
+        ".nupkg.metadata",
+        "Icon.png",
+        "LICENSE.TXT",
+        "Sdk/Sdk.props",
+        "THIRD-PARTY-NOTICES.TXT",
+        "analyzers/dotnet/cs/ILLink.CodeFixProvider.dll",
+        "analyzers/dotnet/cs/ILLink.RoslynAnalyzer.dll",
+        "build/Microsoft.NET.ILLink.Analyzers.props",
+        "build/Microsoft.NET.ILLink.Tasks.props",
+        "build/Microsoft.NET.ILLink.targets",
+        "microsoft.net.illink.tasks.9.0.10.nupkg.sha512",
+        "microsoft.net.illink.tasks.nuspec",
+        "tools/net9.0/ILLink.Tasks.deps.json",
+        "tools/net9.0/ILLink.Tasks.dll",
+        "tools/net9.0/Mono.Cecil.Mdb.dll",
+        "tools/net9.0/Mono.Cecil.Pdb.dll",
+        "tools/net9.0/Mono.Cecil.Rocks.dll",
+        "tools/net9.0/Mono.Cecil.dll",
+        "tools/net9.0/Sdk/Sdk.props",
+        "tools/net9.0/build/Microsoft.NET.ILLink.Analyzers.props",
+        "tools/net9.0/build/Microsoft.NET.ILLink.Tasks.props",
+        "tools/net9.0/build/Microsoft.NET.ILLink.targets",
+        "tools/net9.0/illink.deps.json",
+        "tools/net9.0/illink.dll",
+        "tools/net9.0/illink.runtimeconfig.json",
+        "useSharedDesignerContext.txt"
+      ]
+    },
     "Microsoft.NETCore.Platforms/1.1.1": {
       "sha512": "TMBuzAHpTenGbGgk0SMTwyEkyijY/Eae4ZGsFNYJvAr/LDn1ku3Etp3FPxChmDp5HHF3kzJuoaa08N0xjqAJfQ==",
       "type": "package",
@@ -9294,6 +9346,7 @@
       "Avalonia.Themes.Fluent >= 11.3.6",
       "CommunityToolkit.Mvvm >= 8.2.1",
       "LibVLCSharp >= *",
+      "Microsoft.NET.ILLink.Tasks >= 9.0.10",
       "VideoLAN.LibVLC.Windows >= 3.0.21"
     ]
   },
@@ -9371,6 +9424,12 @@
             "target": "Package",
             "version": "[*, )"
           },
+          "Microsoft.NET.ILLink.Tasks": {
+            "suppressParent": "All",
+            "target": "Package",
+            "version": "[9.0.10, )",
+            "autoReferenced": true
+          },
           "VideoLAN.LibVLC.Windows": {
             "target": "Package",
             "version": "[3.0.21, )"
@@ -9396,6 +9455,10 @@
             "name": "Microsoft.AspNetCore.App.Runtime.win-x64",
             "version": "[9.0.10, 9.0.10]"
           },
+          {
+            "name": "Microsoft.NETCore.App.Crossgen2.linux-x64",
+            "version": "[9.0.10, 9.0.10]"
+          },
           {
             "name": "Microsoft.NETCore.App.Host.linux-x64",
             "version": "[9.0.10, 9.0.10]"
diff --git a/SCRUM-Timer/obj/project.nuget.cache b/SCRUM-Timer/obj/project.nuget.cache
index 20bbae1..be6219c 100644
--- a/SCRUM-Timer/obj/project.nuget.cache
+++ b/SCRUM-Timer/obj/project.nuget.cache
@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "RWJ3SIOSHfQ=",
+  "dgSpecHash": "MyUiU7poCWc=",
   "success": true,
   "projectFilePath": "/home/simon/Programming/Schule/IM_K2 Agile Vorgehensweisen/SCRUM-Timer/SCRUM-Timer/SCRUM-Timer/SCRUM-Timer.csproj",
   "expectedPackageFiles": [
@@ -27,6 +27,7 @@
     "/home/simon/.nuget/packages/harfbuzzsharp.nativeassets.win32/8.3.1.1/harfbuzzsharp.nativeassets.win32.8.3.1.1.nupkg.sha512",
     "/home/simon/.nuget/packages/libvlcsharp/3.9.4/libvlcsharp.3.9.4.nupkg.sha512",
     "/home/simon/.nuget/packages/microcom.runtime/0.11.0/microcom.runtime.0.11.0.nupkg.sha512",
+    "/home/simon/.nuget/packages/microsoft.net.illink.tasks/9.0.10/microsoft.net.illink.tasks.9.0.10.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.netcore.platforms/1.1.1/microsoft.netcore.platforms.1.1.1.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.netcore.targets/1.1.3/microsoft.netcore.targets.1.1.3.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.win32.primitives/4.3.0/microsoft.win32.primitives.4.3.0.nupkg.sha512",
@@ -119,6 +120,7 @@
     "/home/simon/.nuget/packages/microsoft.netcore.app.runtime.linux-x64/9.0.10/microsoft.netcore.app.runtime.linux-x64.9.0.10.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.aspnetcore.app.runtime.win-x64/9.0.10/microsoft.aspnetcore.app.runtime.win-x64.9.0.10.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.aspnetcore.app.runtime.linux-x64/9.0.10/microsoft.aspnetcore.app.runtime.linux-x64.9.0.10.nupkg.sha512",
+    "/home/simon/.nuget/packages/microsoft.netcore.app.crossgen2.linux-x64/9.0.10/microsoft.netcore.app.crossgen2.linux-x64.9.0.10.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.netcore.app.host.win-x64/9.0.10/microsoft.netcore.app.host.win-x64.9.0.10.nupkg.sha512",
     "/home/simon/.nuget/packages/microsoft.netcore.app.host.linux-x64/9.0.10/microsoft.netcore.app.host.linux-x64.9.0.10.nupkg.sha512"
   ],
diff --git a/SCRUM-Timer/obj/rider.project.model.nuget.info b/SCRUM-Timer/obj/rider.project.model.nuget.info
index b541eaf..7ae5ec3 100644
--- a/SCRUM-Timer/obj/rider.project.model.nuget.info
+++ b/SCRUM-Timer/obj/rider.project.model.nuget.info
@@ -1 +1 @@
-17620170467879632
\ No newline at end of file
+17620756258619622
\ No newline at end of file