You can build your own prefixes and class names for Pure Grids here: http://yui.github.io/gridbuilder/ http://yui.github.io/gridbuilder/ The default prefix is

You can build your own prefixes and class names for Pure Grids here: http://yui.github.io/gridbuilder/ http://yui.github.io/gridbuilder/ The default prefix is there for maintainability. It's a pain to grep for "grid", "row", or "g" when you need to change something. But if you don't like it, you can build your own.