If you are stuck on the design idea, you may refer the below template to get an idea for the different occasions. Please bear in mind that complicated design not necessary will make great impact to the viewer. The design should be able to translate the message direct to the viewer on first look. The message shall be clear and precise.
Wedding theme button badge design
Corporate theme button badge design
Education theme button badge design
Special event theme design button badge
Flower pattern design button badge
Complicated design button badge
Simple plain design button badge