Hi how do I set 4 editable content/blogs block/nodes on a page... i'm trying to do this format https://i.sstatic.net/xFoCY.jpg
main Box 1: width 556 x length 630
right Box 1 : width 210 x length 275
right Box 2 : width 210 x length 185
right Box 3 : width 210 x length 150
also how can I edit the style/css for the blocks/nodes on this page?