Fix Form Issues on iOS devices where page zooms in when a form input is clicked

ios-input-fix.css

/*
  iOS Form Input zoom-in fix
*/
/* 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'],
  #amount-input {
    font-size: 16px;
  }
}

/* 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'],
  #amount-input {
    font-size: 16px;
  }
}

/* iPhone 6, iPhone 6s, iPhone 7 portrait/landscape */
@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='url'],
  #amount-input {
    font-size: 16px;
  }
}

/* iPhone 6 Plus, iPhone 6s Plus, iPhone 7 Plus portrait/landscape */
@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='url'],
  #amount-input {
    font-size: 16px;
  }
}