input, select {
    font-size: 100%;
}

/*** iPhone and iOS Form Input Zoom Fixes ***/
/* Fix Input Zoom on devices older than iPhone 5: */
@media screen and (device-aspect-ratio: 2/3) {
    select, textarea, input[type="text"], input[type="password"],
    input[type="datetime"], input[type="datetime-local"],
    input[type="date"], input[type="month"], input[type="time"],
    input[type="week"], input[type="number"], input[type="email"],
    input[type="url"] {
        font-size: 16px;
    }
}

/* Fix Input Zoom on iPhone 5, 5C, 5S, iPod Touch 5g */
@media screen and (device-aspect-ratio: 40/71) {
    select, textarea, input[type="text"], input[type="password"],
    input[type="datetime"], input[type="datetime-local"],
    input[type="date"], input[type="month"], input[type="time"],
    input[type="week"], input[type="number"], input[type="email"],
    input[type="url"] {
        font-size: 16px;
    }
}

/* Fix Input Zoom on iPhone 6, iPhone 6s, iPhone 7  */
@media screen and (device-aspect-ratio: 375/667) {
    select, textarea, input[type="text"], input[type="password"],
    input[type="datetime"], input[type="datetime-local"],
    input[type="date"], input[type="month"], input[type="time"],
    input[type="week"], input[type="number"], input[type="email"],
    input[type="tel"], input[type="url"] {
        font-size: 16px;
    }
}

/* Fix Input Zoom on iPhone 6 Plus, iPhone 6s Plus, iPhone 7 Plus, iPhone 8, iPhone X, XS, XS Max  */
@media screen and (device-aspect-ratio: 9/16) {
    select, textarea, input[type="text"], input[type="password"],
    input[type="datetime"], input[type="datetime-local"],
    input[type="date"], input[type="month"], input[type="time"],
    input[type="week"], input[type="number"], input[type="email"],
    input[type="tel"], input[type="url"] {
        font-size: 16px;
    }
}