<!-- To WebP or not to WebP. That is the question.
https://github.com/ai/webp-in-css#readme -->
<script>
var i = new Image;
i.onload = i.onerror = function() {
document.body.classList.add(i.height ? "webp" : "no-webp")
};
i.src = "data:image/webp;base64,UklGRhoAAABXRUJQVlA4TA0AAAAvAAAAEAcQERGIiP4HAA==";
</script>/**
* @Doc https://github.com/ai/webp-in-css#readme
*/
'webp-in-css/plugin': {},
charset=utf8 с @return.