How wide should be the navy rectangle: 200px or 400px?
Browser results:
- 400px in Firefox 15.0.1, Firefox 18, Firefox 48
- 200px in IE8, IE9, IE10, IE11, Edge 13, Chrome 22.0.1229.79, Chrome 23.0.1251.2, Chrome 53, Opera 12.0.2, Opera 12.5, Opera 12.16, Safari 6.0, Safari 9.1.2 and in Konqueror 4.9.2