改变placeholder字体颜色

:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #fff;
    opacity: 1;
}

::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #fff;
    opacity: 1;
}

.froAnserText:-ms-input-placeholder {
    color: #b3c1e1;
    opacity: 1;
}

.froAnserText::-webkit-input-placeholder {
    color: #b3c1e1;
    opacity: 1;
}
.froSetWarn_BuySale_Box .froSetWarn_BtnOn{
    background: #6091fa;
}