diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index efbf1b7..b3bbfd1 100755
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,7 +24,12 @@ jobs:
     - name: Install dependencies
       run: npm install
     - name: Compile CSS
-      run: npm run scss --style=compressed styles.scss
+      run: |
+        npx sass cssOMS/styles.scss cssOMS/styles.css --style=compressed
+        npx sass cssOMS/animate.scss cssOMS/animate.css --style=compressed
+        npx sass cssOMS/timeline.scss cssOMS/timeline.css --style=compressed
+        npx sass cssOMS/tree.scss cssOMS/tree.css --style=compressed
+        npx sass cssOMS/print.scss cssOMS/print.css --style=compressed
     - name: Check for modified files
       id: git-check
       run: echo ::set-output name=modified::$(if git diff-index --quiet HEAD -- *.{scss,css}; then echo "false"; else echo "true"; fi)