Change background in Sidebar
<p>Goal:<br>
Change the background of <code>class="col-sm-3 blog-sidebar"</code> into the background color that is the picture below. In other word, change the background of sidebar into the picture below</p>

<p>Problem:<br>
How do you do it in relation to bootstrap v3. I tried to do it but it didn't go so well</p>

<p>Info:<br>
*The webpage today (<a href="http://jsbin.com/derequjipi/edit?html,output" rel="nofollow noreferrer">http://jsbin.com/derequjipi/edit?html,output</a>)</p>

<p><a href="https://i.stack.imgur.com/43TKI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/43TKI.png" alt="enter image description here"></a></p>

<p>Thank you!</p>