title: Slick slider change background-color on each slide
body: <p>The setup is this.
  A slider with client logos, showen one at a time.
  I would like to change the background-color of my parent div to the specific brandcolor from each client(and the H1). animateded if possible.</p>
  
  <p>How would i go about doing that?</p>
  
  <p>My HTML - I would like to change the background-color of the section div and the h1 in the content-wrapper.</p>
  
  <pre><code>        &lt;div class="section clients section-text-right"&gt;
          &lt;div class="content-wrapper"&gt;
              &lt;h1&gt;Clients&lt;/h1&gt;
              &lt;div class="frontpage-client-slick slick-theme-frontpage"&gt;
                  &lt;div class="scouts"&gt;&lt;img src="images/client-logos/logo_scouts@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="jjd"&gt;&lt;img src="images/client-logos/logo_jjd_white@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="unipension"&gt;&lt;img src="images/client-logos/logo_unipension@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="dr"&gt;&lt;img src="images/client-logos/logo_dr@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="verdensborn"&gt;&lt;img src="images/client-logos/logo_verdensboern@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="fi"&gt;&lt;img src="images/client-logos/logo_fi@2x.png"&gt;&lt;/div&gt;
                  &lt;div class="midtlink"&gt;&lt;img src="images/client-logos/logo_midtlink@2x.png"&gt;&lt;/div&gt;
              &lt;/div&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  </code></pre>
  
  <p>Slick slider - i know i need to do something in the beforeChange, i just dont know what.</p>
  
  <pre><code>$('.frontpage-client-slick').slick({
      slidesToShow: 1,
      slidesToScroll: 1,
      arrows: true,
      infinite: true,
      speed: 1000,
      autoplay: true,
      autoplaySpeed: 4000,
      fade: true,
      centerMode: true
  });
  $('.frontpage-client-slick').on('beforeChange', function(event, slick, currentSlide, nextSlide){
      console.log(nextSlide);
  });
  </code></pre>