Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

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JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

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Packages

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Behavior

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Editor Settings

Code Indentation

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HTML

              
                <div class="container">
  
  <article>
    <header>
      
    </header>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sint nemo excepturi consectetur aperiam rem enim mollitia facere. Incidunt suscipit magnam fuga quos natus obcaecati provident quidem velit laudantium aperiam exercitationem animi reprehenderit similique aut fugit sequi dignissimos ut impedit delectus neque iusto asperiores laborum nobis itaque quae quis expedita deleniti repellendus deserunt placeat at temporibus facere sapiente dolorum numquam recusandae quia. Eveniet voluptas distinctio nulla sequi amet inventore fugiat ducimus necessitatibus nihil cum earum id aut doloribus. Id accusantium eveniet animi pariatur minima earum totam sequi eos quia error saepe dignissimos ut? Dolore maxime neque veritatis esse ipsum accusamus quia?</p>
  </article>
  
  <aside>
    Sidebar
  </aside>
  
</div>
              
            
!

CSS

              
                
.container {

  width:25%;
  margin:10px auto;
  background: blue;
  position:relative; 
  overflow:hidden;
}

article {
  width: 80%;
  background: green;
  float: right;
}

article header {
  height:50px;
  background-color: #f00;
}

aside {
  width: 20%;
  background: pink;
  float: left;
  position:absolute;  
  top:0;
  bottom:0;

}


              
            
!

JS

              
                
              
            
!
999px

Console