.user-fixed-topbar {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     width: 100%;
     z-index: 9999;
 }

 #user-fixed-topbar-spacer {
     width: 100%;
 }

 html.user-fixed-scroll-root,
 body.user-fixed-scroll-root {
     height: 100%;
     overflow: hidden;
 }

 .page-content.user-fixed-scroll-content {
     overflow-y: auto;
     overflow-x: hidden;
     -webkit-overflow-scrolling: touch;
 }