Handle the closing brace for parsing at rule.

Author: maribezler

src/shady-css/parser.ts

@@ -172,9 +172,11 @@ class Parser {
       } else if (tokenizer.currentToken.is(Token.type.openBrace)) {
         rulelist = this.parseRulelist(tokenizer);
         break;
-      } else if (tokenizer.currentToken.is(Token.type.propertyBoundary)) {
+      } else if (tokenizer.currentToken.is(Token.type.semicolon)) {
         tokenizer.advance();
         break;
+      } else if (tokenizer.currentToken.is(Token.type.closeBrace)) {
+        break;
       } else {
         if (parametersStart == null) {
           parametersStart = tokenizer.advance();