CSS 星空按钮

    <template><button class="btn" type="button"><strong>星空按钮</strong><div id="container-stars"><div id="stars"></div></div><div id="glow"><div class="circle"></div><div class="circle"></div></div></button></template><script></script><style>body {background-color: #212121;}.btn {margin-top: 300px;display: flex;justify-content: center;align-items: center;width: 10rem;overflow: hidden;height: 3rem;background-size: 300% 300%;backdrop-filter: blur(1rem);border-r