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Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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Code Indentation

     

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              <main>
  <section>rest</section>
  <aside>150px</aside>
</main>

<main>
  <aside>150px</aside>
  <section>rest</section>
  <aside>150px</aside>
</main>

<main>
  <section>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Aperiam quod cupiditate saepe tempora incidunt, id nobis iure? Neque harum illum voluptatibus a numquam, nihil asperiores, amet provident magni minima tempore!</section>
  <aside>150px</aside>
</main>
            
          
!
            
              main {
  display: flex;
  margin-bottom: 20px;
}

section {
  flex-grow: 1;
}

aside {
  flex-basis: 150px;
  flex-shrink: 0; 
  /* flex-shrink: 0; prevents the aside from shrinking, if the section attempts to grow due to its content. (see third example) */
  
  /* Instead of flex-basis: 150px; and flex-shrink: 0; you can use the shorthand: */
  /* flex: 0 0 150px; */
}
            
          
!
999px
Loading ..................

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