56 lines
1.1 KiB
HTML
56 lines
1.1 KiB
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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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>css3 动画</title>
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<style>
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/* 帧 */
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@keyframes test {
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/* from {
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background: red;
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}
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to {
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background: blue;
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width: 300px;
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height: 300px;
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border-radius: 100%;
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} */
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0% {
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background: red;
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}
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50% {
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background: green;
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width: 600px;
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height: 600px;
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border-radius: 50%;
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}
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100% {
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background: blue;
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width: 300px;
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height: 300px;
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border-radius: 100%;
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}
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}
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.box {
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width: 200px;
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height: 200px;
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background: red;
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animation: test 6s ease 1s infinite alternate;
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}
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</style>
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</head>
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<body>
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<div class="box"></div>
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</body>
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</html> |