React is just a View layer, you can use whatever layout system you want to use with it. I haven't dug into Pinterest's code but I imagine it's most likely a mi

React is just a View layer, you can use whatever layout system you want to use with it. I haven't dug into Pinterest's code but I imagine it's most likely a mix of Flexbox and Multi-column layouts: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Columns/Using_multi-column_layouts https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Columns.... Edit: See this blog post on how to combine them to achieve the staggered effect: https://medium.com/@_jh3y/how-to-pure-css-masonry-layouts-a8ede07ba31a https://medium.com/@_jh3y/how-to-pure-css-masonry-layouts-a8....