Grid has a rich functionality for autoplacement of items and one of the arguments for masonry being part of grid is that you can easily mix the two positioning

Grid has a rich functionality for autoplacement of items and one of the arguments for masonry being part of grid is that you can easily mix the two positioning approaches https://webkit.org/wp-content/uploads/video3-museum-dark.m4v https://webkit.org/wp-content/uploads/video3-museum-dark.m4v