Supreme Modules Lite (https://wordpress.org/plugins/supreme-modules-for-divi/) plugin has some minor issues which are easily fixed with some CSS

style.css

/* 
Submit button aligment "center" does not work correctly:
https://stackoverflow.com/questions/72353817/contact-form-7-submit-button-alignment-issue
*/
.wpcf7-spinner {
  display: block;
  top: 15px;
  left: 45%;
}

/* 
Submit button aligment "right" does not work correctly:
https://stackoverflow.com/questions/72353817/contact-form-7-submit-button-alignment-issue
*/
.wpcf7-spinner {
  display: block;
  top: 15px;
  left: calc(100% - 24px);
  margin: 0;
}

/* 
Acceptance tag modifies the cursor to "not allowed", but the plugin overrides it.
So we need to disable it again.
https://wordpress.org/support/topic/acceptance-field-does-not-work-with-validation-errors-2/#post-16790484
*/
.dsm_contact_form_7 .wpcf7-form-control.wpcf7-submit:disabled {
  cursor: not-allowed;
}