@mixin grid-container($props…) {
@if length($props) ==0 { @include u-margin-x(auto); @include u-maxw($theme-grid-container-max-width); } @else { $props: nth($props, 1); $margin-x: append-important($props, auto); @include u-margin-x($margin-x); @include u-maxw($props); } @include add-responsive-site-margins; @include this-border-box-sizing;
}