🗒️@layer
cascade layer,级联层
@layer
用来声明 cascade layer(级联层),也可以定义多个 cascade layers 的优先顺序。
格式:
@layer layer-name {rules}
@layer layer-name, layer-name, layer-name; /* 优先级:低→高 */
举例:
@layer module, state;
@layer state {
.alert {
background-color: brown;
}
p {
border: medium solid limegreen;
}
}
@layer module {
.alert {
border: medium solid violet;
background-color: yellow;
color: white;
}
}
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