/* >640px */
.uc-form-font-control .t-form input.t-input,
.uc-form-font-control .t-form textarea.t-input {
    font-size: 16px !important;
    letter-spacing: -0.5px !important;
}

/* 320–640px */
@media screen and (max-width: 640px) {
    .uc-form-font-control .t-form input.t-input,
    .uc-form-font-control .t-form textarea.t-input {
        font-size: 14px !important;
        letter-spacing: -0.5px !important;
    }
}

/* ≤320px */
@media screen and (max-width: 320px) {
    .uc-form-font-control .t-form input.t-input,
    .uc-form-font-control .t-form textarea.t-input {
        font-size: 12px !important;
        letter-spacing: -0.4px !important;
    }
}