.btn.disabled,
.btn[disabled] {
    background: 0;
    background-color: #a9a2a1;
    opacity: 1;
    filter: none !important;
    text-shadow: none !important;
    -ms-color: #000000 !important;
    color: #000000 !important;
    zoom: 1;    
}
input:-ms-input-placeholder {
    color: black !important;
}