New article text banner: fix line-height (#3731)

* fix line-height

* fix the order of css rules

p/themes/Origine/origine.css

@@ -744,6 +744,7 @@ a.btn {
 
 /*=== New article notification */
 #new-article {
+	padding: 1em;
 	background: #0084cc;
 	text-align: center;
 	font-size: 0.9em;
@@ -754,7 +755,6 @@ a.btn {
 }
 
 #new-article > a {
-	line-height: 3em;
 	color: #fff;
 	font-weight: bold;
 }