making INPUT take any file of that particular field/type

 we use "/*" 

Accept any file of this type (regardless of subtype)

"video/*" means:

→ Accept any video file type — such as:

• .mp4

• .mov

• .webm

• .ogg

• .avi, etc.

Same goes for "image/*" — it accepts:

• .jpg, .jpeg, .png, .webp, .gif, etc.