Created by: zalog
With flexbox enabled, please take a look at this in IE10+ all browsers:
<div class="container">
<div class="row">
<div class="col-xs-7">
<div class="bg-primary">content</div>
</div>
<div class="col-xs-5">
<div class="bg-primary">sidebar</div>
</div>
</div>
</div>