-
<view class="hd"></view>.hd {
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content: "";
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height: 16rpx;
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width: 16rpx;
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border-width: 4rpx 4rpx 0 0;
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border-color: red;
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border-style: solid;
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transform: rotate( -45deg);
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position: absolute;
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top: 20rpx;
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left: 30rpx;
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}
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.hd:hover {
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transform: rotate(135deg);
-
- 重点是：content 设置为空
效果CSS实现三角
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转载自www.cnblogs.com/wcLT/p/9394301.html
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