--- /dev/null
+2560 / 1920 = 1.3333*\r
+\r
+var width = screen.width;\r
+var height = screen.height;\r
+\r
+var scale = width / 1920 <----- scale formula\r
+\r
+if width < 1920 do nothing\r
+\r
+-webkit-transform: scaleX(scale); \r
+-moz-transform: scaleX(scale); ////Firefox!\r
+\r
+stretch = {\r
+-webkit-transform: scaleX(scale); \r
+-moz-transform: scaleX(scale); ////Firefox!\r
+}\r
+\r
+crop = {\r
+-webkit-transform: scale(scale); \r
+-moz-transform: scale(scale)\r
+}\r
+\r
+tests\r
+2560/1080= 2.3703\r
+3440/1440= 2.38888\r
+1920/1080 = 1.77777\r
+2560/1400 = 1.8285
\ No newline at end of file