Updated collection design-essentials to include open-props topic

SrGeneroso · web-flow · commit 0ac5599974ec · 2025-03-06T20:03:24.000+01:00
diff --git a/collections/design-essentials/index.md b/collections/design-essentials/index.md
@@ -1,6 +1,7 @@
 ---
 items:
  - twbs/bootstrap
+ - argyleink/open-props
  - animate-css/animate.css
  - nathansmith/960-Grid-System
  - necolas/normalize.css
