Fix fallbackVar type defintion (#95)

Author: mattcompiles

.changeset/perfect-pens-perform.md

@@ -0,0 +1,5 @@
+---
+'@vanilla-extract/css': patch
+---
+
+Fix fallbackVar type defintion

packages/css/src/vars.ts

@@ -35,7 +35,7 @@ export function createVar(debugId?: string): CSSVarFunction {
 }
 
 export function fallbackVar(
-  ...values: [...Array<string>, string]
+  ...values: [string, ...Array<string>]
 ): CSSVarFunction {
   let finalValue = '';