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正确
<style>
div {
width: 100px;
height: 100px;
background: red;
transition: width 2s;
@(16): 0.5s;
}
div:hover {
width: 300px;
}
</style>
<body>
<div>This is a div</div>
</body>
<style>
div {
width: 100px;
height: 100px;
background: red;
transition: width 2s;
transition-delay: 0.5s;
}
div:hover {
width: 300px;
}
</style>
<body>
<div>This is a div</div>
</body>
不正确
点击 此处 重试 正确
下一题 ❯
<style>
div {
width: 100px;
height: 100px;
background: red;
transition: width 2s;
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