Selecting transparent color color palette causes css syntax error

[W3ap0n-X]

Selecting transparent color color palette causes css syntax error in Crio 2.20.1

Steps to reproduce the behavior:

1. Go to Customize → Color Palette
2. Click on any color in the palette
3. set the alpha slider to any value below 100
4. Publish and refresh

[jamesros161]

The following picture represents Crio Starter Content with normal palette:

---

The following picture represents the same content with color-1 set to a alpha lower than 100. Notice the header color is missing now:

---

Notice as well that when using chrome DevTools to inspect the CSS of the broken site, the :root element shows the broken CSS

---

The Following picture represents the same configuration, but with the patch-fix:

---

Notice the corrected CSS on the :root element: