B #2126: limit charactes error (#4683)

Co-authored-by: Tino Vázquez <cvazquez@opennebula.systems>

src/sunstone/public/scss/app.scss

@@ -246,4 +246,13 @@ meter {
   tr{
     vertical-align: top;
   }
-}
+}
+.jGrowl-message{
+  display: -webkit-box;
+  max-height: 28rem;
+  -webkit-line-clamp: 8;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  line-height: 1.4rem;
+}