Lastly, for the submit button, you want to separate it from the fieldset above, and adjust its width to never be below 300px.
“Change the margin property to include 1em on the top and bottom, while leaving the right and left margins set to auto. Then set the width as described above.” this is my code so far:
I’ve edited your code for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.
You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.