mirror of
https://github.com/hunvreus/basecoat.git
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71 lines
2.0 KiB
Plaintext
71 lines
2.0 KiB
Plaintext
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Anchor Positioning Test (Top, End)</title>
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<script type="module">
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if (!("anchorName" in document.documentElement.style)) {
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console.log("Loading CSS anchor positioning polyfill...");
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import("https://unpkg.com/@oddbird/css-anchor-positioning");
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}
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</script>
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<style>
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body {
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font-family: sans-serif;
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display: grid;
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place-items: center;
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height: 100vh;
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margin: 0;
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background: #222;
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color: #eee;
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}
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button {
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padding: 0.5em 1em;
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font-size: 1rem;
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border-radius: 6px;
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border: 1px solid #888;
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background: #444;
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color: #eee;
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cursor: pointer;
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}
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[popover] {
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border: 1px solid #888;
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border-radius: 6px;
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background: #333;
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color: #eee;
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padding: 1em;
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margin: 0;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
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}
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/* The core anchor positioning logic */
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#my-popover {
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position: absolute;
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inset: auto; /* Required to override default popover centering */
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bottom: anchor(top); /* Position bottom of popover to top of anchor */
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right: anchor(right); /* Align right edge of popover with right edge of anchor */
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margin-bottom: 8px; /* A little space between popover and button */
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}
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</style>
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</head>
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<body>
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<button
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popovertarget="my-popover"
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id="my-anchor-button"
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style="anchor-name: --my-anchor;">
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Click Me
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</button>
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<div
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popover
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id="my-popover"
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style="position-anchor: --my-anchor;">
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I should be anchored above the button, aligned to the right.
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</div>
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</body>
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</html> |