Thank you, a lot, this solved my problem 
::-webkit-input-placeholder { / WebKit browsers /
color: #777 !important;
opacity: 0.5 !important;
}
::-moz-placeholder { / Mozilla Firefox 19+ /
color: #777 !important;
opacity: 0.5 !important;
}
:-ms-input-placeholder { / Internet Explorer 10+ /
color: #777 !important;
opacity: 0.5;
}
I just removed this and it works awesome.