Well you can get a lot of really nice layouts that scale down perfectly to mobile. You can really use 1 line of CSS to change your grid, once the spec is complete (curse you vendor prefixes). You can ...
.pat_wrap .option_div { column-rule: 1px solid #000; -moz-column-rule: 1px solid #000; -webkit-column-rule:1px solid #000; } .option_div { position: relative; width ...