Set background image - CSS

Question

I ever heard that if you want to define background image and image is in the same folder of your html file, you have to begin with './' and then file name.
eg.
background-image: url('./logo.png');
Is that true? Or its not neccesary?

Answer 1

not necessary.
if same path

Answer 2

Ok. Thanks a lot. @bikash panda

Answer 3

pleasure