#un sticky footer #http://tutorialzine.com/2016/03/quick-tip-the-best-way-to-make-sticky-footers/ <body> <header>...</header> <section class="main-content">...</section> <footer>...</footer> </body> header{ /* We want the header to have a static height, it will always take up just as much space as it needs. */ /* 0 flex-grow, 0 flex-shrink, auto flex-basis */ flex: 0 0 auto; } .main-content{ /* By setting flex-grow to 1, the main content will take up all of the remaining space on the page. The other elements have flex-grow: 0 and won't contest the free space. */ /* 1 flex-grow, 0 flex-shrink, auto flex-basis */ flex: 1 0 auto; } footer{ /* Like the header, the footer will have a static height - it shouldn't grow or shrink. */ /* 0 flex-grow, 0 flex-shrink, auto flex-basis */ flex: 0 0 auto; }