отзывчивый макет сетки

Пишем код HTML: <article data-title="data-title"> <h3>gingerbread</h3> <h4>step one</h4> <p>Cake muffin donut chocolate cake jelly sesame snaps wafer tart pie sweet roll muffin chupa chups.</p> </article> <article data-title="data-title"> <h3>brownie</h3> <h4>step two</h4> <p>Cake...