LayoutTests/fast/rendering/inline-flex-container-with-replaced-elements.html

<!DOCTYPE html>
<html>
<script>
function notifyAfterImagesHaveLoaded() {
    if(window.testRunner) {
        testRunner.notifyDone()
    }
    
}

if (window.testRunner) 
{
    testRunner.waitUntilDone();
}
</script>
<style>

body {
    margin: 0;
    padding: 0;
}

.box {
    font-family: arial;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    width: 50px;
    height: 50px;
    box-sizing: border-box;
    border: 1px solid darkgray;
    background-color: purple;
}

::-webkit-scrollbar {
    display: none;
}

@keyframes move {
    from { left: -500px; background-color: cyan; }
    to { left: 0; background-color: rgb(255, 210, 204); }
}
.box.animation {
    position: relative;
    animation: 2s linear 0s move forwards;
}
</style>
<body>
<div class="box">
<img src="resources/zero.png" onload="notifyAfterImagesHaveLoaded();">
</div>
</body>
</html>