After clicking on delete all.delete specific glossary entry its css changed slightly.
Steps to reproduce:
Login to zanata.
Click on glossary menu.
Select /mouse over on any glossary term.
click on delete and observer behaviour of button.
Click on Delete button from top right corner.
Observe the delete button.
CSS changed on delete click, it does not looks good.
smooth delete should have to done.
Attached video captured for more ref.