A widget and shortcode that let you simply redirect users to various search engine's site: search filters, often more accurate than your default
This is most likely because you're using a browser that doesn't support the HTML5
placeholder attribute for inputs.
This plugin has zero custom CSS, so the styling of your input and submit button are entirely inhereted from the styles on your site. If something looks crappy, take a look at your theme's CSS to find what input styles you have, and write new ones if you need to.
Hm, I'm not sure, let me know about your issue in the support forums and I'll take a look.