Generate CSS variables for colors, breakpoints, fonts (#23761)

* Generate CSS variables

See #23349
Supersedes #23446

* Ignore _root.scss for linting

2 files changed, 17 insertions, 0 deletions

diff --git a/scss/_root.scss b/scss/_root.scss
new file mode 100644
index 000000000..78ac03915
--- /dev/null
+++ b/scss/_root.scss
@@ -0,0 +1,16 @@
+:root {
+  @each $color, $value in $colors {
+    --#{$color}: $value;
+  }
+
+  @each $color, $value in $theme-colors {
+    --#{$color}: $value;
+  }
+
+  @each $bp, $value in $grid-breakpoints {
+    --breakpoint-#{$bp}: $value;
+  }
+
+  --font-family-sans-serif: $font-family-sans-serif;
+  --font-family-monospace: $font-family-monospace;
+}
diff --git a/scss/bootstrap.scss b/scss/bootstrap.scss
index 648f446b6..f83914dc3 100644
--- a/scss/bootstrap.scss
+++ b/scss/bootstrap.scss
@@ -8,6 +8,7 @@
 @import "functions";
 @import "variables";
 @import "mixins";
+@import "root";
 @import "print";
 @import "reboot";
 @import "type";