$header-height: 5.6rem; $footer-height: 14.65rem;
html, body {
height: 100%;
}
main {
min-height: 100%; margin-top: -$header-height; margin-bottom: -$footer-height; &:before, &:after { content: ''; display: block; } &:before { height: $header-height; } &:after { height: $footer-height; }
}