I started to learn bootstrap yesterday. I understand how to create simple grids with straight rows and cols. But this one is tough because columns are “unsymmetrical" if you know what I mean. Image:
Every time im trying to create that I got stuck with one col or row too much
<div class="container-fluid">
<div class="row">
<div class="col-md-3 border">
1
</div>
<div class="col-md-9 border">
<div class="row border">2</div>
<div class="row border">
<div class="col-md-6 border">
<div class="row border">3</div>
<div class="row border">5</div>
</div>
<div class="col-md-6 border">4</div>
</div>
</div>
</div>
</div>