"Gridset is a tool for making grids. It lets you create whatever type of grid you want: columnar, asymmetrical, ratio, compound, fixed, fluid, responsive and more. It serves multiple grids to your site based on breakpoints for different devices. Using it is as simple as embedding a link."

"Rather than using a more traditional HTML & CSS column/grid approach, I opted for column-count to keep everything extra efficient & scalable. The trouble is, sometimes content gets split across columns awkwardly."

Radu Chelariu: "CSS columns. Granted, their purpose is to display text in columns like a newspaper, but their display mode is exactly what’s needed to recreate the Masonry effect."

"So this is where I ran into some major inconsistencies in the way different browsers render percentage values."

Paul Irish: "I'd bet that you've done your fair share of styling elements to be arranged horizontally or vertically on a page. As of yet, though, CSS has lacked a suitable mechanism for this task. Enter the CSS3 Flexible Box Module, or Flexbox for short."

"A css framework for cross-device layouts."

"Create clickable wireframes via drag & drop and test it via pidoco's integrated Usability Test modules. It is fully web-based and therefore without software installation!"