fixed issues related to message displaying in settings

src/css/settings.scss

@@ -1,4 +1,5 @@
-.ncdownloader-personal-settings,.ncdownloader-admin-settings {
+.ncdownloader-personal-settings,
+.ncdownloader-admin-settings {
     position: relative;
 
     #ncdownloader-message-banner {
@@ -12,14 +13,15 @@
         text-shadow       : 0 1px 0 rgba(255, 255, 255, .2);
         -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 1px 2px rgba(0, 0, 0, .05);
         box-shadow        : inset 0 1px 0 rgba(255, 255, 255, .25), 0 1px 2px rgba(0, 0, 0, .05);
+        width             : 100%;
+        background-color: #dff0d8;
     }
 
     #ncdownloader-message-banner.success,
     .message-banner.success {
-        color           : #3c763d;
+        color           : #799479;
         background-color: #dff0d8;
         border-color    : #d6e9c6;
-        width           : 100%;
     }
 
     #ncdownloader-message-banner.error,
@@ -27,7 +29,6 @@
         color           : #a94442;
         background-color: #f2dede;
         border-color    : #ebccd1;
-        width           : 100%;
     }
 
 }

src/lib/msg.js

@@ -23,8 +23,8 @@ export default {
 	 */
 	startAction(selector, message) {
 		let el = document.querySelector(selector);
-		el.textContent = message;
 		el.style.removeProperty("display")
+		el.textContent = message;
 	},
 
 	/**

src/settings.js

@@ -42,11 +42,11 @@ window.addEventListener('DOMContentLoaded', function () {
             return;
         }
         Http.getInstance(url).setData(data).setHandler(function (data) {
-            if (data.hasOwnProperty("error"))
+            if (data.hasOwnProperty("error")) {
                 OC_msg.finishedError('#ncdownloader-message-banner', data.error);
-            else if (data.hasOwnProperty("message"))
+            } else if (data.hasOwnProperty("message")) {
                 OC_msg.finishedSuccess('#ncdownloader-message-banner', data.message);
-            else {
+            } else {
                 OC_msg.finishedSuccess('#ncdownloader-message-banner', "DONE");
             }
         }).send();