Why is space between not working correctly?

I want to make an top header
with phone number, adress, and email.

When i make an section at the top. and add a container into it with a 1440px with and center the container in the middle and than create 3 divs inside the container and give it a space between it wont space it into the side of the container it will have a like a margin into it or a max width. can someone place help me?

Best to post your share link too, so someone can take a look