How to center text in mobile footer for 7.1

How can I center the text in the footer on mobile SS7.1

Thanks 

Can you share link to your site? & Which text?

https://pointpediatrics.squarespace.com/  password pointped 

In the footer I have some text : address and office hours etc .. I would like that on mobile the text to be centered 

Thanks 

For future users, add to Home > Design > Custom CSS

@media screen and (max-width:767px) {
footer#footer-sections * {
    text-align: center !important;
}
}