A CodePen by Hugo Giraudel. Make This Responsive - Base changes
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1. The page-wrap has a max-width of 800px and a width of 100%

2. The sub stories has a width of 33% until the 2nd breakpoint where it goes to 50% (2 rows)

First Breakpoint (48em)
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1. Font-size is recalculated.

Second breakpoint (38em)
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1. The main story caption gets out of the picture

2. The sub stories now have 50% width
   * If there is an odd number of substories, the last one is centered on its own row.

Third breakpoint (28em)
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1. The sub stories are now horizontally centered, one per row