:root { // Note: Custom variable values only support SassScript inside `#{}`. // Theme colors varibles @each $color, $value in $theme-colors { --#{$prefix}#{$color}: #{$value}; } @each $color, $value in $theme-colors { --#{$prefix}#{$color}-dark: #{darken($value, 5%)}; } // Scroll margin top and Stack sticky top related --#{$prefix}scroll-mt: calc(#{$header-height} + #{$global-scroll-margin-top}); // Set breadcrumb height to 0px if breadcrumb is disabled --#{$prefix}breadcrumb-height: 0px; }