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HTML

CSS

CSS Base

Vendor Prefixing

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JavaScript

Babel includes JSX processing.

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Packages

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Behavior

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HTML

              
                <div class="container">
  <div class="panel">
    <div class="title">
      <h2>Panel Title</h2>
    </div>
    <div class="content">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Est expedita, illo eos aliquid natus ratione, assumenda eum perspiciatis quae at repellendus in, alias! Voluptatibus nihil voluptas, deserunt mollitia tempora aperiam.
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Magni excepturi, vitae accusantium aperiam ut corporis. Aspernatur illo totam temporibus vel magnam suscipit minus, amet voluptatum exercitationem fuga debitis dolores eum.</div>
  </div>
   <div class="panel">
    <div class="title">
      <h2>Panel Title</h2>
    </div>
    <div class="content">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Est expedita, illo eos aliquid natus ratione, assumenda eum perspiciatis quae at repellendus in, alias! Voluptatibus nihil voluptas, deserunt mollitia tempora aperiam.</div>
  </div>
   <div class="panel">
    <div class="title">
      <h2>Panel Title</h2>
    </div>
    <div class="content">
Lorem ipsum dolor sit amet.</div>
  </div>
  
</div>
              
            
!

CSS

              
                $border-width:3px;

*{margin:5px; padding: 5px}

.container{
  display:flex;
  flex-direction:row;
  border:$border-width dashed #00a;
  background:#bbf;
}

.panel{
  width:33%;
  display:flex;
  flex-direction:column;
  border:$border-width dashed #a00;
  background: #faa;
}

.title{
  border: $border-width dashed #0a0;
  background:#afa;
}

.content{
  border:$border-width dashed #999;
  background: #fff;
  flex:1;
}
              
            
!

JS

              
                
              
            
!
999px

Console