I see the ranguage tag, but can someone that speaks German confirm that. As for the translation, I just plugged the words into Google Translate.
"Alles Gute zum Geburtstag" would be correct. Because "Gute" is a noun in this context^^. The rest of this sentence is correct and translation, too :3.
"Alles Gute zum Geburtstag" would be correct. Because "Gute" is a noun in this context^^. The rest of this sentence is correct and translation, too :3.