diff --git a/greenwood.config.js b/greenwood.config.js
index 624db8a..5d6de33 100644
--- a/greenwood.config.js
+++ b/greenwood.config.js
@@ -1,5 +1,6 @@
+const greenwoodPluginPostCss = require('@greenwood/plugin-postcss');
+const pluginSass = require('./plugin-sass');
 const rollupPluginAnalyzer = require('rollup-plugin-analyzer');
-const pluginPostCss = require('@greenwood/plugin-postcss');
 const rollupPluginVisualizer = require('rollup-plugin-visualizer').default;
 
 module.exports = {
@@ -10,7 +11,8 @@ module.exports = {
     }
   },
   plugins: [
-    pluginPostCss(),
+    ...pluginSass(),
+    greenwoodPluginPostCss(),
     {
       type: 'rollup',
       name: 'rollup-plugin-analyzer',
diff --git a/package.json b/package.json
index 483a5e8..88098bd 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,8 @@
     "eslint": "^6.8.0",
     "postcss-nested": "^4.1.2",
     "rimraf": "^2.6.3",
+    "rollup-plugin-sass": "^1.2.2",
+    "sass": "^1.36.0",
     "rollup-plugin-analyzer": "^4.0.0",
     "rollup-plugin-visualizer": "^5.5.2",
     "stylelint": "^13.8.0",
diff --git a/plugin-sass.js b/plugin-sass.js
new file mode 100644
index 0000000..2b6c33e
--- /dev/null
+++ b/plugin-sass.js
@@ -0,0 +1,47 @@
+/*
+ *
+ * Enables using JavaScript to @import SASS files in your CSS or use import / ESM syntax.
+ *
+ */
+const rollupPluginSass = require('rollup-plugin-sass');
+const { ResourceInterface } = require('@greenwood/cli/src/lib/resource-interface');
+const sass = require('sass');
+
+class SassResource extends ResourceInterface {
+  constructor(compilation, options) {
+    super(compilation, options);
+    this.extensions = ['.scss', '.sass'];
+    this.contentType = 'text/css';
+  }
+
+  async serve(url) {
+    return new Promise(async (resolve, reject) => {
+      try {
+        const result = sass.renderSync({ file: url });
+
+        resolve({
+          body: result.css.toString(),
+          contentType: this.contentType
+        });
+      } catch (e) {
+        reject(e);
+      }
+    });
+  }
+}
+
+module.exports = (options = {}) => {
+  return [{
+    type: 'resource',
+    name: 'plugin-import-sass:resource',
+    provider: (compilation) => new SassResource(compilation, options)
+  }, {
+    type: 'rollup',
+    name: 'plugin-import-sass:rollup',
+    provider: () => {
+      return [
+        rollupPluginSass()
+      ];
+    }
+  }];
+};
\ No newline at end of file
diff --git a/src/theme.css b/src/theme.css
index 427b6e7..043cdfb 100644
--- a/src/theme.css
+++ b/src/theme.css
@@ -1,4 +1,5 @@
-@import "../node_modules/bootstrap/dist/css/bootstrap.css";
+/* @import "../node_modules/bootstrap/dist/css/bootstrap.css"; */
+@import "../node_modules/bootstrap/scss/bootstrap-flex.scss";
 
 :root {
   /* raw tokens */
diff --git a/yarn.lock b/yarn.lock
index d55290e..a64e5e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3551,6 +3551,14 @@ babel-plugin-syntax-jsx@^6.18.0:
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
   integrity sha1-CvMqmm4Tyno/1QaeYtew9Y0NiUY=
 
+babel-runtime@^6.23.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.11.0"
+
 bail@^1.0.0:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/bail/-/bail-1.0.5.tgz#b6fa133404a392cbc1f8c4bf63f5953351e7a776"
@@ -4085,7 +4093,22 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
-chokidar@^2.1.8:
+"chokidar@>=3.0.0 <4.0.0", chokidar@^3.4.1, chokidar@^3.4.2, chokidar@^3.4.3, chokidar@^3.5.0:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.2.tgz#dba3976fcadb016f66fd365021d91600d01c1e75"
+  integrity sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==
+  dependencies:
+    anymatch "~3.1.2"
+    braces "~3.0.2"
+    glob-parent "~5.1.2"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.6.0"
+  optionalDependencies:
+    fsevents "~2.3.2"
+
+chokidar@^2.0.0, chokidar@^2.1.8:
   version "2.1.8"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
   integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==
@@ -4104,21 +4127,6 @@ chokidar@^2.1.8:
   optionalDependencies:
     fsevents "^1.2.7"
 
-chokidar@^3.4.1, chokidar@^3.4.2, chokidar@^3.4.3, chokidar@^3.5.0:
-  version "3.5.2"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.2.tgz#dba3976fcadb016f66fd365021d91600d01c1e75"
-  integrity sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==
-  dependencies:
-    anymatch "~3.1.2"
-    braces "~3.0.2"
-    glob-parent "~5.1.2"
-    is-binary-path "~2.1.0"
-    is-glob "~4.0.1"
-    normalize-path "~3.0.0"
-    readdirp "~3.6.0"
-  optionalDependencies:
-    fsevents "~2.3.2"
-
 chownr@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
@@ -4533,6 +4541,11 @@ core-js-pure@^3.8.2:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.15.2.tgz#c8e0874822705f3385d3197af9348f7c9ae2e3ce"
   integrity sha512-D42L7RYh1J2grW8ttxoY1+17Y4wXZeKe7uyplAI3FkNQyI5OgBIAjUfFiTPfL1rs0qLpxaabITNbjKl1Sp82tA==
 
+core-js@^2.4.0:
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
+
 core-js@^3.0.4, core-js@^3.6.5, core-js@^3.8.2:
   version "3.15.2"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.2.tgz#740660d2ff55ef34ce664d7e2455119c5bdd3d61"
@@ -5577,6 +5590,11 @@ estraverse@^5.1.0, estraverse@^5.2.0:
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.2.0.tgz#307df42547e6cc7324d3cf03c155d5cdb8c53880"
   integrity sha512-BxbNGGNm0RyRYvUdHpIwv9IWzeM9XClbOxwoATuFdOE7ZE6wHL+HQ5T8hoPM+zHvmKzzsEqhgy0GrQ5X13afiQ==
 
+estree-walker@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.6.1.tgz#53049143f40c6eb918b23671d1fe3219f3a1b362"
+  integrity sha512-SqmZANLWS0mnatqbSfRP5g8OXZC12Fgg1IwNtLsyHDzJizORW4khDfjPqJZsemPWBB2uqykUah5YpQ6epsqC/w==
+
 estree-walker@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
@@ -10568,6 +10586,11 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.2.tgz#b9346d8827e8f5a32f7ba29637d398b69014848a"
   integrity sha512-zrceR/XhGYU/d/opr2EKO7aRHUeiBI8qjtfHqADTwZd6Szfy16la6kqD0MIUs5z5hx6AaKa+PixpPrR289+I0A==
 
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
 regenerator-runtime@^0.13.4, regenerator-runtime@^0.13.7:
   version "0.13.7"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz#cac2dacc8a1ea675feaabaeb8ae833898ae46f55"
@@ -10826,7 +10849,7 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@^1.1.7, resolve@^1.10.0, resolve@^1.12.0, resolve@^1.14.2, resolve@^1.17.0, resolve@^1.19.0, resolve@^1.20.0, resolve@^1.3.2:
+resolve@^1.1.7, resolve@^1.10.0, resolve@^1.12.0, resolve@^1.14.2, resolve@^1.17.0, resolve@^1.19.0, resolve@^1.20.0, resolve@^1.3.2, resolve@^1.5.0:
   version "1.20.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
   integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
@@ -10896,6 +10919,18 @@ rollup-plugin-analyzer@^4.0.0:
   resolved "https://registry.yarnpkg.com/rollup-plugin-analyzer/-/rollup-plugin-analyzer-4.0.0.tgz#96b757ed64a098b59d72f085319e68cdd86d5798"
   integrity sha512-LL9GEt3bkXp6Wa19SNR5MWcvHNMvuTFYg+eYBZN2OIFhSWN+pEJUQXEKu5BsOeABob3x9PDaLKW7w5iOJnsESQ==
 
+rollup-plugin-sass@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-sass/-/rollup-plugin-sass-1.2.2.tgz#f03cd2b1bee497dc2cc845fae2c5749611fc008f"
+  integrity sha512-yvHQPg1JS4d23gwHTwTbokH+FV/0bPBVf5QmlvCOzfAhXe0luY0pUgVaWC2qfnoKetp2Oqh5lK7oW/4CXGWs1Q==
+  dependencies:
+    babel-runtime "^6.23.0"
+    fs-extra "^0.30.0"
+    pify "^3.0.0"
+    resolve "^1.5.0"
+    rollup-pluginutils ">= 1.3.1"
+    sass "1.7.2"
+
 rollup-plugin-terser@^7.0.0:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/rollup-plugin-terser/-/rollup-plugin-terser-7.0.2.tgz#e8fbba4869981b2dc35ae7e8a502d5c6c04d324d"
@@ -10916,6 +10951,13 @@ rollup-plugin-visualizer@^5.5.2:
     source-map "^0.7.3"
     yargs "^16.2.0"
 
+"rollup-pluginutils@>= 1.3.1":
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.8.2.tgz#72f2af0748b592364dbd3389e600e5a9444a351e"
+  integrity sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==
+  dependencies:
+    estree-walker "^0.6.1"
+
 rollup@^2.34.1:
   version "2.52.6"
   resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.52.6.tgz#7c7546d170dead0e7db0b6c709f7f34398498a8e"
@@ -11003,6 +11045,20 @@ sane@^4.0.3:
     minimist "^1.1.1"
     walker "~1.0.5"
 
+sass@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.7.2.tgz#a8ff878ad9dcba65e226c1ccb2c2f3c7a1009578"
+  integrity sha512-zUm2NXL77WtQDbp4MKgysAxH41Fzs5BnBUogEPi8IKNQ1M5rKoFe46YBXfxr0I+cQX+xbSc//psSdq5eyYhJsg==
+  dependencies:
+    chokidar "^2.0.0"
+
+sass@^1.36.0:
+  version "1.36.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.36.0.tgz#5912ef9d5d16714171ba11cb17edb274c4bbc07e"
+  integrity sha512-fQzEjipfOv5kh930nu3Imzq3ie/sGDc/4KtQMJlt7RRdrkQSfe37Bwi/Rf/gfuYHsIuE1fIlDMvpyMcEwjnPvg==
+  dependencies:
+    chokidar ">=3.0.0 <4.0.0"
+
 sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"