update background image

Author: TheoLeCalvar

css/agency.css

@@ -167,7 +167,7 @@ img::-moz-selection {
 header.masthead {
   text-align: center;
   color: white;
-  background-image: url("../img/header-bg.jpg");
+  background-image: url("../img/header-bg-alt.png");
   background-repeat: no-repeat;
   background-attachment: scroll;
   background-position: center center;

css/agency.min.css

@@ -2,7 +2,7 @@
 header.masthead {
   text-align: center;
   color: white;
-  background-image: url('../img/header-bg.jpg');
+  background-image: url('../img/header-bg-alt.png');
   background-repeat: no-repeat;
   background-attachment: scroll;
   background-position: center center;