<style>
body,
html {
background-color: white;
}
.wrapper {
mix-blend-mode: difference;
}
.text {
color: white;
}
</style>
<div class="wrapper">
<div class="text">This text should always be black
</div>
</div>
<div id="video">
<div>Hover here to make video disappear</div>
<iframe srcdoc="
