1 files changed, 3 insertions, 0 deletions
diff --git a/gulpfile.js b/gulpfile.js
index e565c5c0..ee578408 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -20,6 +20,8 @@ const resolve = require('rollup-plugin-node-resolve');
 const sass = require('gulp-sass');
 const clean = require('gulp-clean-css');
 const prefix = require('gulp-autoprefixer');
+const postcss = require('gulp-postcss');
+const customprops = require('postcss-custom-properties');
 // ------------------------------------
 // Images
 // ------------------------------------
@@ -204,6 +206,7 @@ Object.entries(build.css).forEach(([filename, entry]) => {
                     cascade: false,
                 }),
             )
+            .pipe(postcss([customprops()]))
             .pipe(clean())
             .pipe(size(sizeOptions))
             .pipe(gulp.dest(entry.dist)),