added background color to playlist search bar

app/client/app.css

@@ -1220,7 +1220,7 @@ nav form input[type="image"]{
     outline: 0;
     border: none;
     border-bottom: 3px solid rgba(255, 255, 255, 0.4);
-    background-color: transparent;
+    background-color: #50a3a2;
     width: 100%;
     padding: 10px 15px;
     margin: 0 auto 10px auto;