input[type="text"]:read-only {
    color: darkgrey;
    pointer-events: none;
}

input::placeholder {
    color: darkgrey !important;
}
:-ms-input-placeholder {
    color: darkgrey !important;
}
@media (min-width: 830px) {
    input:not(.force-placeholder)::placeholder {
        color: darkgrey !important;
    }
    input:not(.force-placeholder):-ms-input-placeholder {
        color: darkgrey !important;
    }
}