Date field showing different margins in Preview mode than in Build mode

in preview mode, all of my date fields are showing different margins. The field's margins are regular in build mode. See photo below.

I am not sure if I have understood your question correctly. Do you mean to say that you want to remove the left margin from date field? Please check the screenshot below:

I would suggest you to please share a screenshot of the issue and we will take a look. The following guide should help you how to upload image in forum post: https://www.jotform.com/help/438-How-to-Post-Screenshots-to-Our-Support-Forum

We will wait for your response.