Rubber block dragging on content how?

Question

css

There are 2 blocks,
one at 60px, the other should occupy the rest of it with text
, you can do it through table-cell pos absolute, but all this does not fit,
how else can you? if possible
Consider that the main container that will contain these blocks can vary in width

Answer 1

flex markup. But if ie9-.
frontender.info/a-guide-to-flexbox
Visual cheat sheet - jonibologna.com/content/images/flexboxsheet.pdf

Answer 2

Bootstrap will do everything for you

<div class='container'>
 <div class='row'>
  <div class='col-md-3'>
  Тут левый sidebar
  </div>
  <div class='col-md-9'> 
   Тут текст
  </div>
</div>
</div>