Not sure if this is what you are seeing but, .contactHeading is overflowing the page, give the parent container .footerContenu a width of 100% (at least on the Codepen code this is happing).
Not sure if this is what you are seeing but, .contactHeading is overflowing the page, give the parent container .footerContenu a width of 100% (at least on the Codepen code this is happing).