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/**
* Container for the interesting part of a highlight reftest, to be
* used on both the test page and any reference pages.
*/
.highlight_reftest {
/*
https://drafts.csswg.org/css-pseudo-4/#highlight-bounds
For text, the corresponding overlay must cover at least
the entire em box and may extend further above/below the
em box to the line box edges.
*/
line-height: 1;
}
/**
* Container for layers. All text is transparent by default, and each direct
* child creates a layer that overlaps any text content.
*/
.hrt_layers,
.hrt_layers * {
color: transparent;
}
.hrt_layers {
position: relative;
}
.hrt_layers > * {
position: absolute;
}
/**
* Cover to clip text from the right. Usage:
*
* <div class="hrt_layers">
* <div><!-- content to clip to “foo” from right --></div>
* <div><span class="hrt_cover">bar</span>foobar</div>
* foobar
* </div>
*/
.hrt_cover {
background: white;
position: absolute;
padding: 0.5em 0;
top: -0.5em;
right: 0;
}
/**
* Hider to clip text from the left. Usage:
*
* <div class="hrt_layers">
* <div>foo<span class="hrt_hider">
* <div><!-- content to clip to “bar” from left --></div>
* bar
* </span></div>
* foobar
* </div>
*/
.hrt_hider {
display: inline-block;
overflow: hidden;
position: relative;
padding: 0.5em 0;
top: -0.5em;
}
.hrt_hider > * {
position: absolute;
right: 0;
}
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