Canvas: Prettier

Change-Id: I620dde109df0f29f0c85c6fe150e347d2c32a03e
diff --git a/apps/canvas/front/src/App.css b/apps/canvas/front/src/App.css
index 39cbabd..31745d5 100644
--- a/apps/canvas/front/src/App.css
+++ b/apps/canvas/front/src/App.css
@@ -1,7 +1,7 @@
 .react-flow__handle.connectingto {
-  background: #ff6060;
+	background: #ff6060;
 }
 
 .react-flow__handle.valid {
-  background: #55dd99;
-}
\ No newline at end of file
+	background: #55dd99;
+}