<!doctype html>
<title>New Tab</title> <style> body { background: #404040; margin: 0; } #backgroundImage {
border: none;
height: 100%;
pointer-events: none;
position: fixed;
top: 0;
visibility: hidden;
width: 100%;
}
[show-background-image] #backgroundImage {
visibility: visible;
}
</style>