Update styles.css

Adding a notice function

Author: jschuemann

styles.css

@@ -95,6 +95,13 @@ nav ul li a:hover {
     background-color:  #0d47a1;
 }
 
+/* this is a notice box */
+.notice {
+  background-color: #F9B4B6;
+  border: 3px solid #444;
+  padding: 1rem;
+  margin: 2rem 0;
+}
 
 /* this is the bottom bar */
 footer {