Wix Store & Layout Fixes

My Wix site is almost there, but a few nagging issues are stopping me from launching with confidence. The most visible problem is a design glitch in the header / footer area—extra text shows up in the footer whenever someone clicks a specific linked button, throwing the layout off... (Budget: $250 - $750 AUD, Jobs: CSS, HTML, PHP, SEO, Web Design, Website Design, Website Testing, Wix)