Steps to reproduce:
1. Login to backoffice.
2. Go to Content / Content structure.
3. Select content type with eztime (ezdate or ezdatetime) field and field with dropdown (ie. ezcountry)(with field with dropdown being above eztime field)
4. Click on dropdown

Actual result:
'Clear' buttons can be seen through the dropdown

Expected result:
'Clear' buttons cannot be seen through the dropdown