CSS - 解决placeholder不起作用的方法

input::placeholder {

font-size: 12px;

letter-spacing: 1px;

color: #A8C9FF !important;

}

input::-webkit-input-placeholder {

font-size: 12px;

letter-spacing: 1px;

color: #A8C9FF !important;

}

input::-ms-input-placeholder {

font-size: 12px;

letter-spacing: 1px;

color: #A8C9FF !important;

}

input::-moz-placeholder {

font-size: 12px;

letter-spacing: 1px;

color: #A8C9FF !important;

}