Canvas: Improve diagram styling

Change-Id: If1c3d48cd94b63de86c8d7ecdb40974af951367f
diff --git a/apps/canvas/front/src/components/node-rect.tsx b/apps/canvas/front/src/components/node-rect.tsx
index 99dbd82..94b7fac 100644
--- a/apps/canvas/front/src/components/node-rect.tsx
+++ b/apps/canvas/front/src/components/node-rect.tsx
@@ -19,6 +19,10 @@
 	const [stateClasses, setStateClasses] = useState<string[]>([]);
 	useEffect(() => {
 		const classes = ["px-4", "py-2", "rounded-md", "bg-white"];
+		classes.push("border");
+		if (selected) {
+			classes.push("shadow-xl");
+		}
 		if (hasFatal) {
 			classes.push("border-red-500");
 		} else if (hasWarning) {
@@ -26,11 +30,6 @@
 		} else {
 			classes.push("border-black");
 		}
-		if (selected) {
-			classes.push("border-2");
-		} else {
-			classes.push("border");
-		}
 		setClasses(classes);
 		const stateClasses: string[] = [];
 		if (state === "processing") {