1 pointWhat Browser are you using? Only thing I could think of is caching. Try a hard refresh ([CTRL] + [F5]) to see if you're just using an old stylesheet. Otherwise could clear your browsing data - 'cached images and files'
1 pointYou style the select elements and the option should be identical to that width.
1 pointIf you want a paragraph to be focusable, you'll have to give it a tabindex attribute with a non-negative value.