HTML:weakBackgroundByBlur
<!-- 所有非对话框元素都用main包裹起来 -->
<main>Bacon Ipsum dolor sit amet...</main>
<dialog>
O HAI, I'm a dialog. Click on me to dismiss.
</dialog>
<!-- 其他对话框都写在这里 -->
<style>
main {
transition: .6s filter;
}
main.de-emphasized {
filter: blur(5px) contrast(.8) brightness(.8);
}
</style>