this is what refinerycms save after I save this snippet https://gist.github.com/Astr0surf3r/e3bdda79dcd62bc17d0a

gistfile1.txt

<div class="container">
    <div class="row">
        <div class="col-md-4">
            
            <div class="panel-group" id="accordion">
                
                
                <div class="panel panel-default">
                    
                    <span class="side-tab" data-target="#tab1" data-toggle="tab">
                        <div class="panel-heading" id="headingOne" data-toggle="collapse" data-parent="#accordion">
                            <h4 class="panel-title">She Sells Seashells</h4>
                        </div>
                    </span>
                    
                    <div id="collapseOne" class="panel-collapse collapse in">
                        <div class="panel-body">
                        
                        That fall, as Nadia and Masha got shipped off to prison camps in Siberia, South Brooklyn tried to recover from the storm. My dad and I spent a lot of time in the same apartment engrossed in separate laptops, separate internet missives. He followed Russian news bloggers closely and would update me on troubling developments. A rise in protofascist nationalism
                        </div>
                    </div>
                </div> 
                
                
                
                <div class="panel panel-default">
                    
                    <span class="side-tab" data-target="#tab2" data-toggle="tab">
                        <div class="panel-heading" id="headingTwo" data-toggle="collapse" data-parent="#accordion">
                            <h4 class="panel-title collapsed">TAB 2</h4>
                        </div>
                    </span>

                    <div id="collapseTwo" class="panel-collapse collapse">
                        <div class="panel-body">
                        
                        tab 2 content
                        </div>
                    </div>
                </div>
                
                
                
                <div class="panel panel-default">
                    
                    <span class="side-tab" data-target="#tab3" data-toggle="tab">
                        <div class="panel-heading" id="headingThree" data-toggle="collapse" data-parent="#accordion">
                            <h4 class="panel-title">TAB 3 </h4>
                        </div>
                    </span>

                        <div id="collapseThree" class="panel-collapse collapse">
                          <div class="panel-body">
                          
                           tab 3 content
                          </div>
                        </div>
                      </div>
            </div> 
             
        </div> 
        
        <div class="col-md-8">
            
            <div class="md-macbook-pro md-glare">
                <div class="md-lid">
                    <div class="md-camera"></div>
                    <div class="md-screen">
                                    
                        <div class="tab-featured-image">
                            <div class="tab-content">
                                <div class="tab-pane  in active" id="tab1">
                                        <img src="https://ununsplash.imgix.net/photo-1417024321782-1375735f8987?dpr=2&amp;fit=crop&amp;fm=jpg&amp;h=650&amp;q=75&amp;w=950" alt="tab1" class="img img-responsive" />
                                </div>
                                <div class="tab-pane " id="tab2">
                                    
                                        <img src="https://unsplash.imgix.net/uploads/1411724908903377d4696/2e9b0cb2?dpr=2&amp;fit=crop&amp;fm=jpg&amp;h=650&amp;q=75&amp;w=950" />
                                    
                                </div>
                                <div class="tab-pane fade" id="tab3">
                                    
                                        <img src="https://ununsplash.imgix.net/photo-1422479516648-9b1f0b6e8da8?dpr=2&amp;fit=crop&amp;fm=jpg&amp;h=650&amp;q=75&amp;w=950" alt="tab1" class="img img-responsive" />
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="md-base"></div>
            </div> 



        </div> 
    </div> 
</div>