Sewing the Sydney romper sewing pattern for babies

You can find the sewing pattern here: https://ikatee.com/products/sydney-romper-baby-1m-24m-pdf-sewing-pattern 00:00 I. INTRODUCTION 00:08 A. Design, skill level 01:46 B. Fabrics and other notions 05:17 C. Cutting fabric II. PATTERN SEWING 07:31 A. Interfacing 08:36 B. Partial button placket 12:49 C. Collar ruffle option 15:43 D. Neckline 18:47 E. Tank top version: armholes finishes 20:58 F. Long sleeves version: assemble sleeves 24:14 G. Elasticated thighs and gusset 28:35 H. Elasticated waist option 31:28 I. Finishes