navigation works but huge frontend problems!!!

InnoLabProjektDektopApp/.vs/InnoLabProjektDektopApp/v17/.suo

InnoLabProjektDektopApp/InnoLabProjektDektopApp/App.xaml

...abProjektDektopApp/Screens/FirstLaunch/01Startscreen.xaml

...rojektDektopApp/Screens/FirstLaunch/01Startscreen.xaml.cs

...noLabProjektDektopApp/Screens/FirstLaunch/02Progress.xaml

...abProjektDektopApp/Screens/FirstLaunch/02Progress.xaml.cs

...rojektDektopApp/Screens/FirstLaunch/03_0Distractions.xaml

...ektDektopApp/Screens/FirstLaunch/03_0Distractions.xaml.cs

...ektopApp/Screens/FirstLaunch/03_1DistractionsList.xaml.cs

...noLabProjektDektopApp/Screens/FirstLaunch/04Settings.xaml

...abProjektDektopApp/Screens/FirstLaunch/04Settings.xaml.cs

.../InnoLabProjektDektopApp/Screens/Regulaer/01Overview.xaml

...noLabProjektDektopApp/Screens/Regulaer/01Overview.xaml.cs

...p/InnoLabProjektDektopApp/Screens/Regulaer/02Session.xaml

...nnoLabProjektDektopApp/Screens/Regulaer/02Session.xaml.cs

...opApp/InnoLabProjektDektopApp/Screens/Regulaer/03End.xaml

...pp/InnoLabProjektDektopApp/Screens/Regulaer/03End.xaml.cs

...nnoLabProjektDektopApp/Screens/Regulaer/04Statistics.xaml

...LabProjektDektopApp/Screens/Regulaer/04Statistics.xaml.cs

...noLabProjektDektopApp/obj/Debug/net8.0-windows/App.g.i.cs