title: Change the navbar color in MaterializeCSS
body: <p>I want to dynamically change the background color of the navbar from Materialize, so it needs to be done via a CSS. 
  I tried doing</p>
  
  <pre><code>.nav-wrapper{
   background-color: &lt;MYCOLOR HERE&gt; !important;
  }
  </code></pre>
  
  <p>But it just stays the same colored as mentioned in the class of the navbar. </p>