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16 lines
397 B
16 lines
397 B
// 绝对定位 参数：上,右,下,左
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@mixin position-absolute($top: null, $right: null, $bottom: null, $left: null) {
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position: absolute;
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@if ($left!="" and $left!=null) {
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left: $left;
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}
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@if ($right!="" and $right!=null) {
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right: $right;
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}
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@if ($top!="" and $top!=null) {
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top: $top;
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}
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@if ($bottom!="" and $bottom!=null) {
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bottom: $bottom;
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}
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}
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