27 lines
452 B
HTML
27 lines
452 B
HTML
<!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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<style>
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div {
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opacity: 0;
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height: 0;
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background: red;
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border-top: 1px solid #888;
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transition-property: height, opacity;
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transition-duration: 3000ms;
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transition-timing-function: ease-in-out, ease-in-out, linear;
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}
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div[visible] {
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opacity: 1;
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height: 200px;
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}
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</style>
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</head>
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<body>
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<div></div>
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</body>
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</html>
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