Fatter arrows

src/back/routes/dashboard.sreact.tsx

@@ -36,7 +36,7 @@ async function with_unit(s: HA_RESPONSE | Promise<HA_RESPONSE>) {
 
 async function arrow(entity: string) {
 	const number = parseFloat((await get_state(entity)).state);
-	return number < 0 ? "↓" : number > 0 ? "↑" : "=";
+	return number < 0 ? "&#x25BC;" : number > 0 ? "&#x25B2;" : "=";
 }
 
 export default new (class DashboardPage extends StatefulPage<State, typeof actions> {