You didn’t need the skew() method. Also pay intention to the instructions.
The instructions is asking you: Within the .arm.left selector, alter the origin of the transform function to be the top left corner of its parent.
It is great that you solved the challenge, but instead of posting your full working solution, it is best to stay focused on answering the original poster’s question(s) and help guide them with hints and suggestions to solve their own issues with the challenge. How to Help Someone with Their Code Using the Socratic Method
We are trying to cut back on the number of spoiler solutions found on the forum and instead focus on helping other campers with their questions and definitely not posting full working solutions.