html - How do I center my navigation bar and background across the screen? -

html - How do I center my navigation bar and background across the screen? -

i going crazy trying center nav bar on top of page on website http://www.custombarres.com #ddd bkgd-color fill entire width of screen. nav bar responsive , resize screen size, while text remains centered on screen. same other menu bar below. bigcommerce site , files on place... please help,

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