Bootstrap has default/fluid/fixed to choose between, which can be confusing. In terms of mechanics, you nest .container, .row, and .span# and .offset#. It's jus

Bootstrap has default/fluid/fixed to choose between, which can be confusing. In terms of mechanics, you nest .container, .row, and .span# and .offset#. It's just more complex. I don't know how Pure does nested because I haven't tried it, but from reading the docs, it looks like you just put a new .pure-g classed div inside whatever cell you are nesting inside, then put the nested units inside it.