Can Xara do this exact effect?

[Acorn]

This my source in preview mode
(<style>
.xr_bgb0 {
/* Set background image to fixed (don't scroll along with the page) */
background-attachment: fixed;
}
</style>)
</head>

There shouldn't be any curved brackets around the <script>..</script>.
You picked it up from my last Post and not the original - I was using the brackets to be tidy!

Acorn