#magic-login-shortcode {
  width: auto !important;
  background: #ffd!important;
  border: 2px dashed #999!important;
  padding: 10px!important;
}

#magic-login-shortcode .magic-login-submit {
  font-size: 1.2rem!important;
  padding: .5em!important;
  border: dashed 2px #999!important;
}