@Bayron Puac
check this
Changing the Service Portal Virtual Agent widget CSS properties (height, width, icon, etcetera)
also check this community question
Increase the size of start and end conversation icons in a virtual agent chatbot.
If my response helped please mark it correct and close the thread so that it benefits future readers.
Regards,
Ankur
✨ Certified Technical Architect || ✨ 10x ServiceNow MVP || ✨ ServiceNow Community Leader
