Tests that edited stylesheets appear properly.
[expanded]
element.style { ()
[expanded]
.rule4 { (<style>)
color: white;
[expanded]
.rule2 { (<style>)
/-- overloaded --/ color: yellow;
[expanded]
.rule1 { (<style>)
/-- overloaded --/ color: green;
[expanded]
.rule0 { (<style>)
/-- overloaded --/ color: black;
[expanded]
div { (user agent stylesheet)
display: block;
unicode-bidi: isolate;