My First JavaScript

JavaScript can change the style of an HTML element.

<div class="sqs-block instagram-block sqs-block-instagram" data-aspect-ratio="20.320265046935393" data-block-json="&#123;&quot;title&quot;:true,&quot;thumbnail&quot;:true,&quot;excerpt&quot;:true,&quot;pageSize&quot;:20,&quot;filter&quot;:&#123;&#125;,&quot;hSize&quot;:null,&quot;floatDir&quot;:null,&quot;pageCollectionId&quot;:null,&quot;containingItemId&quot;:null,&quot;enable-search&quot;:false,&quot;connectedAccountId&quot;:&quot;56fed476f850820b9f019a92&quot;,&quot;socialCollectionId&quot;:&quot;&quot;,&quot;previewCollectionId&quot;:&quot;&quot;,&quot;status&quot;:&quot;undefined&quot;,&quot;searchId&quot;:&quot;undefined&quot;,&quot;searchTerm&quot;:&quot;&quot;,&quot;refresh&quot;:null,&quot;unsafeSearch&quot;:null,&quot;design&quot;:&quot;slider&quot;,&quot;aspectRatio&quot;:20.320265046935393,&quot;autoplay&quot;:false,&quot;controls&quot;:true,&quot;active-alignment&quot;:&quot;center&quot;,&quot;collectionId&quot;:&quot;56fed476f850820b9f019a92&quot;,&quot;vSize&quot;:null&#125;" data-block-type="25" id="block-yui_3_17_2_2_1460600651256_8965"><div class="sqs-block-content">
<div class="
  sqs-gallery-container
  sqs-gallery-block-slider
  
  
  sqs-gallery-has-controls
  

  
  
  
  
  clear
">
  <div class="sqs-gallery">
               </div>

  
    <div class="sqs-gallery-meta-container">
    
      
        <div class="sqs-gallery-controls">
          <a href="#" class="previous"></a>
          <a href="#" class="next"></a>
        </div>
      
    
    </div> <!-- END .sqs-gallery-meta-container -->