MyBB Community Forums

can anyone help me i m trying to put a background image to my mybb forum tell me the html code and in which template i want in every page in my forum

Go to: ACP > Themes > Your theme > Edit > global.css > edit in advanced mode > and find;

.body

Add to:
body {

This:
background: url(path-to-image/my-image.jpg) no-repeat center top;