custom Search bar took like ebay

Hi,

I using journal theme and I want to change to the search bar.

1. How do I move the search button to the right?
2. How do I make the search bar longer?
3. Is there anyway I can put the categories drop down menu to the right or left side.

I want the search bar to look like ebay search bar. please look at the attachment picture.

If anyone know please help me.

Thank You

Anyone who needs help in 2020 with the above question:
https://www.opencart.com/index.php?rout ... er=letscms