summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/css/filter-effects/css-backdrop-filters-animation-contrast-ref.html
blob: b118df6b39e8050f2a07a7154ab79b9fae6c71c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
<!DOCTYPE html>
<title>CSS Backdrop Filters Animation: Contrast Reference</title>
<link rel="author" href="mailto:masonf@chromium.org">
<style>
    .square {
        position: absolute;
        width: 100px;
        height: 100px;
        top: 100px;
        left: 100px;
        background: black;
    }
    .filt {
        position: absolute;
        width: 200px;
        height: 200px;
        top: 50px;
        left: 50px;
        backdrop-filter: contrast(50%);
    }
    .greenbox {
        position: absolute;
        width: 50px;
        height: 50px;
        top: 75px;
        left: 75px;
        background: green;
    }
</style>
<p>You should see a gray rectangle with a green box. Neither black nor white.</p>
<div class="square"></div>
<div class="filt">
    <div class="greenbox"></div>
</div>