Dropdown List Inside The Html Header Table

I want to add the drop down list besides the HTML header. I wante to see only the dropdown arrow head beside the header. But as of now I can see the expanded dropdown and it's bel

Solution 1:

If you can tell what you are trying to do we can suggest an alternate solution for that problem. But if you need it as asked there is a workaround. Assign 18px width for the select element.