In a summary:

Don't use placeholder text.
Don't use disabled form fields and buttons, whenever possible.
Don't make multi-column forms.
Do make sure labels and instructions are always visible.
Do put your labels and instructions above text fields.
Do make sure your labels, inputs, and any help text are associated properly.
Do make sure all text meets WCAG colour contrast requirements.

Using the shell for daily tiny tasks ❤️

Fun ! This respect the KISS principle 😄
Using the tool named souffle.