you did great also what software do you use I need some help on FREE pixel art apps if it's free.
The art was made with photoshop but ya gimp is nice or anything will do
https://www.photopea.com/ (nice online photoshop clone)
https://marketplace.visualstudio.com/items?itemName=Tyriar.luna-paint (if use vscode)
https://www.aseprite.org/ (i think free if compile yourself from github)