.pa-header{background:#000000;-webkit-transition:background-color 2s ease-out;-moz-transition:background-color 2s ease-out;-o-transition:background-color 2s ease-out;transition:background-color 2s ease-out}.pa-fixed-header{background-color:#000000;-webkit-transition:background-color 2s ease-out;-moz-transition:background-color 2s ease-out;-o-transition:background-color 2s ease-out;transition:background-color 2s ease-out}