I have some content that appears to be off center. can it

Hi, I have some content that appears to be off center. can it be centered directly below the feild's title ? see here - https://monosnap.com/file/QKWDwqDQdjbeNsrEdxFvJuhVF5JHG3

seems to display ok on mobile devices / smaller screen but on larger window it jumps and moves to the left.

Link to page - http://tinyurl.com/pk7kh8x
another page also with same my appointment shortcode - http://tinyurl.com/nepl4y9

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Thanks
Tom