Red: Ch 26, SC across. 25 sts
White: SC across
Alternate colors

So not cut yarn just carry yarn up.
So, RS red, RS white
Turn
WS red, WS white

Button hole was over 2 sts.
Do in middle of repeated color rows

Crochet a star in navy
15 SC in magic loop
Sl st to join
Chain 4, SC, hdc, dc in ch sts
sl st to join in 3rd st

Repeat 4 more times.
Sew on star and button. Then block.