Bug 1918529 - fix some subpixel misalignment issues with gfx.webrender.svg-filter...
[gecko.git] / layout / reftests / margin-collapsing / block-sibling-1b-dyn.html
blobcb6ef604a49c236e729ccdd039d8cf737d351dda
1 <!DOCTYPE html>
2 <html class="reftest-wait">
3 <head>
4 <style type="text/css">
5 #sibling1 {
6 height: 20px;
7 background-color: green;
8 margin-bottom: 20px;
10 #sibling2 {
11 display: none;
12 height: 20px;
13 background-color: green;
14 margin-top: 10px;
16 </style>
17 <script type="text/javascript">
18 function test() {
19 document.getElementById('sibling2').style.display = 'block';
20 document.documentElement.removeAttribute('class');
22 document.addEventListener('MozReftestInvalidate', test);
23 </script>
24 </head>
25 <body>
26 <div id="sibling1"></div>
27 <div id="sibling2"></div>
28 </body>
29 </html>