如何分别设置同一个input输入内容字体和placeholder的字体大小，仅通过css可以实现吗？简单的单独设置placeholder大小没办法，回和input输入内容大小一样
回复讨论(解决方案)
input::-webkit-input-placeholder
input::-webkit-input-placeholder
我设置了input字体大小情况下，这个属性设置字体大小无效了 这边测试没问题，代码看下
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