Hide player for unauthorized users, ad place

app/assets/stylesheets/common.scss

@@ -8,7 +8,7 @@
   width: 100%;
   height: 100%;
   background-color: #ffffff;
-  @include opacity(0.9);
+  //@include opacity(0.9);
   .inner {
     position: relative;
     top: 50%;

app/assets/stylesheets/misc.scss

@@ -12,4 +12,16 @@
   top: 45px;
   width: 210px;
   height: 200px;
+}
+
+.player, .playlist {
+  display: none;
+}
+
+.ad_here {
+  display: block;
+  border: #e0e0e0 1px solid;
+  padding: 200px 20px;
+  font-size: 20px;
+  text-align: center;
 }