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正确
<style>
div {
width: 100px;
height: 100px;
background-color: red;
animation-name: @(7);
@(18): 2s;
}
@keyframes example {
from {@(16): red;}
to {@(16): blue;}
}
</style>
<body>
<div>This is a div</div>
</body>
<style>
div {
width: 100px;
height: 100px;
background-color: red;
animation-name: example;
animation-duration: 2s;
}
@keyframes example {
from {background-color: red;}
to {background-color: blue;}
}
</style>
<body>
<div>This is a div</div>
</body>
<style>
div {
width: 100px;
height: 100px;
background-color: red;
animation-name: example;
animation-duration: 2s;
}
@keyframes example {
from {background: red;}
to {background: blue;}
}
</style>
<body>
<div>This is a div</div>
</body>
不正确
点击 此处 重试 正确
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<style>
div {
width: 100px;
height: 100px;
background-color: red;
animation-name:
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