.field--widget-datetime-range-flatpickr .form-item, .field--widget-datetime-flatpickr .form-item, .js-form-type-datetime-flatpickr, .field--widget-datetime-range-separate-inputs-flatpickr div.form-item:not(.same-day){
  background: none;
}
.field--widget-datetime-range-flatpickr .form-item input, .field--widget-datetime-flatpickr .form-item input, .js-form-type-datetime-flatpickr input, .field--widget-datetime-range-separate-inputs-flatpickr div.form-item input{
  margin-left: 0;
}