fieldset > legend.bt-0{
  border-top: 0 !important;
}
html #idMainContent .module > div > div > form.powermail_form{
  padding-left: 15px !important;
  padding-left: 15px !important;
}

@media (max-width: 456px) {
  html #idMainContent .module > div > div > form.powermail_form .ckeditor__alleNachrichten{
    width: 100% !important;
  }
}