Menu Items for the 'Campaign Settings' table are misaligned

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Project: YELL SMSc
App. URL:
http://yell-qa-mms1.ri.thesearchagency.com:8080/Customization/com.thesearchagency.mms.customization.gui.Application/Application.html#page-bpid
Browsers Tested: IE6
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The menu items (Sorting options and column selection options) for the
attributes "Campaign Name" and "Click URL" for the "Campaign Settings" table are
not aligned properly.

Steps to reproduce:

1. Login to the YELL SMSc home page with a valid credentials and valid SAP id.
2. Navigate to "Campaign Settings' tab , click on anyone of the attribute
heading (e.g.: Campaign Name)
3. Click on the arrow present on the right end of the heading and observe

Expected Result:
The sorting options and the column selection menu should be aligned properly

Actual Result:
The menu items are not aligned properly.