CSS设置input placeholder文本的样式

input[placeholder], [placeholder], *[placeholder] {
color:#fff;
text-align: left !important;
}

::-webkit-input-placeholder { /* WebKit browsers */
color: #fff !important;
text-align: left !important;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
color: #fff !important;
text-align: left !important;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
color: #fff !important;
text-align: left !important;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
color: #fff !important;
text-align: left !important;
}