Works cross-device on laptops, tablets and phones out of the box.
Bootstrap's great for building responsive sites - and with Bootstrap for Shopify, there's no reason you can't use that power from the very start. It's been built from the ground up to take advantage of Bootstrap's simple and effective responsive grid system.
If you've built themes for Shopify before, you might have run into problems ensuring your site stays responsive across all browsers (Internet Explorer, we're looking at you!) Bootstrap for Shopify takes care of that through Respond.js and a special technique developed by the author.