struggling with a nested flexbox grid
问题 i tried to achieve a grid like pattern with a negative margin based grid system (susy) and failed. I tried to use flexbox, but i am not sure if its really possible, i thought the best approach would be 2 columns (side A and B) and give the boxes (1) the flex height of 50% of boxes 2, but it somehow doesn't seem to work. this is as far as i got it working. .block { width: 100%; background: grey } .column { align-content: stretch; display: flex; flex-flow: column wrap; width: 50%; } .box_long {