I don't see any HTML content in your message to translate. You've provided instructions for translating HTML to Norwegian for Norway, mentioned keeping HTML tags and translating alt text, and provided information about a local ostomy association (Norilco), but there's no actual HTML content included.
Could you please provide the HTML content you'd like me to translate?
Gratis guide · En gave fra SIIL
SIILs stomiguider — dine, gratis
Praktiske guider skrevet med fellesskapet vårt på over 50 000 stomiopererte — pluss en velkomstkode på 15 %.