#zmt-account-stats-form input[type="text"] {
  width: 75%;
}
#zmt-account-stats-form .form-item-from-date,
#zmt-account-stats-form .form-item-to-date {
  width: 50%;
  float: left; 
}

fieldset#edit-container input[type="text"] {
  width: 75%;
}
fieldset#edit-container .form-item-from-date,
fieldset#edit-container .form-item-to-date {
  width: 50%;
  float: left; 
}

Update stats filter form style
Update stats filter form style
