change colors and width notification

styles.css

@@ -14,8 +14,8 @@
 .shiny-notification {
   position:fixed;
   top: calc(0%);
-  left: calc(50% - 150px);
-  width: 150px;
-  background-color: grey;
+  left: calc(50% - 300px);
+  width: 300px;
+  background-color: lightcoral;
   opacity: 0.1;
 }