Hexagonal snowflakes

body { background-color: black; } div.pic { width: 30vw; background-color:#555555; margin: 2vw; padding: 1vw; color: white; } div.pic_set{ display: flex; flex-flow: row wrap; } div.pic_set_elt{ flex: 2; } div.widepic { width: 60vw; background-color:#555555; margin: 2vw; } A hexagonal paper snowflake Remember back in elementary school, where you made paper snowflakes by folding a square piece of paper into a small triangle and then cut notches into it?