1 <html style=
"display: -moz-box; display: -webkit-box; display: box; height:100%; background-color:white">
2 <body style=
"margin: 0; display: -moz-box; display: -webkit-box; display: box; -moz-box-flex: 1; -webkit-box-flex: 1; box-flex: 1; background-color:green; color:white">
3 You should see white text on a green background that fills the window.