input的placeholder颜色修改

input[type=text]::-webkit-input-placeholder { /* WebKit browsers /
color: #999;
}
input[type=text]:-moz-placeholder { /
Mozilla Firefox 4 to 18 /
color: #999;
}
input[type=text]::-moz-placeholder { /
Mozilla Firefox 19+ /
color: #999;
}
input[type=text]:-ms-input-placeholder { /
Internet Explorer 10+ */
color: #999;
}

原文地址:https://www.cnblogs.com/dxzg/p/7879937.html