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<html class="reftest-wait">
<style>
.logo {
display: flex;
align-items: center;
background-color: #4a4a4a;
mask: url(pinwheel_logo.svg) center center/contain no-repeat;
width: 60px;
height: 60px;
}
.logo .background {
background-image: linear-gradient(red, green);
width: 65px;
height: 65px;
background-size: cover;
background-position: 50%;
will-change: transform;
}
</style>
<a class="logo">
<span class="background"></span>
</a>
<script>
function doTest() {
var i = 0;
var e = document.getElementsByClassName("background")[0];
var rotator = function() {
var rotation = i / 60;
e.style.transform = "rotate(" + rotation + "turn)";
if (i < 45) {
i += 1;
window.requestAnimationFrame(rotator);
} else {
document.documentElement.removeAttribute("class");
}
};
window.requestAnimationFrame(rotator);
};
window.addEventListener("MozReftestInvalidate", doTest);
</script>
</html>
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