GUI is now reactivated after MalformedURLException
GUI is now reactivated after MalformedURLException

Added styling to WebView content

gdi-by/downloadclient,gdi-by/downloadclient,gdi-by/downloadclient,Intevation/downloadclient,Intevation/downloadclient,gdi-by/downloadclient,Intevation/downloadclient,Intevation/downloadclient