Add quotes according to the stylelint rule (#27771)

diff --git a/scss/_variables.scss b/scss/_variables.scss
index 988624451b0f799532ca5062d0599c1f3c1f889e..947b3548818a7d9e53f4f43987f03d307583ece2 100644 (file)
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -275,7 +275,7 @@ $embed-responsive-aspect-ratios: join(
 // Font, line-height, and color for body text, headings, and more.
 
 // stylelint-disable value-keyword-case
-$font-family-sans-serif:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, Noto Sans, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !default;
+$font-family-sans-serif:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !default;
 $font-family-monospace:       SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
 $font-family-base:            $font-family-sans-serif !default;
 // stylelint-enable value-keyword-case