Пользователь
<div class="row"> <div class="col-md-8 twitter"></div> <div class="col-md-4 sitemap"></div> <div class="col-md-6 social"></div> <div class="col-md-6 footer-logo"></div> </div>
Bootstrap includes a responsive, mobile first fluid grid system that appropriately scales up to 12 columns as the device or viewport size increases.
ибо документация гласит что: