Add transitions into the dropdown text border

Design help General
1

Hi guys,
Can anyone teach me how to add transitions into the dropdown text border in the webflow?
I attached videos of the original and my project below:
-Here is my project situation:

-Here is the original: ニュース | 株式会社アジラ

2

These are the styles from your original project, so just assign them to your Webflow classes and tweak accordingly by opening a style tag in the page settings

Ihcney
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