?> 背景知识：:point_right: css-boxshadow, HTML < dialog >
<script v-pre type="text/x-template" id="blurry-weaken-background"> <style> main { width: 100%; user-select: none; font: 14px / 1 Helvetica, sans-serif; } main { transition: .6s filter; padding: 30px 50px; hyphens: auto; text-align: justify; } main.de-emphasized{ filter: blur(5px); } main .btn{ padding: 6px 1em; border-radius: 3px; outline: none; } dialog{ width: 400px; height: 120px; text-align: center; line-height: 84px; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); box-shadow: 0 .1em .2em rgba(0,0,0,.5), 0 0 0 50vmax rgba(0,0,0,.3); z-index: 99; } dialog:not([open]){ display: none; } </style>Bacon ipsum dolor amet consectetur short loin ut tri-tip alcatra ground round jowl beef meatloaf in pork. Elit chicken ea spare ribs. Shank andouille ex boudin picanha turkey esse. Do doner fugiat tongue.
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Hi~ I'm a dialog. Click to close.<iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=css-boxshadow&periods=future_1,current,past_1,past_2,past_3&accessible-colours=false" frameborder="0" width="100%" height="436px"></iframe> <iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=dialog&periods=future_1,current,past_1,past_2,past_3&accessible-colours=false" frameborder="0" width="100%" height="528px"></iframe>创造良好的用户体验应当养成一种习惯~