Bootstrap 5 form-group, form-row, form-inline not working

The reason is form-group, form-row, and form-inline classes have been removed in Bootstrap 5:

Breaking change: Dropped form-specific layout classes for our grid system. Use our grid and utilities instead of .form-group, .form-row, or .form-inline.

So Grid and Utilities are supposed to be used instead.

…but if you are looking for a quick solution, here’s how these classes were working in Bootstrap 4:

.form-group {
  margin-bottom: 1rem;

.form-inline .form-control {
  display: inline-block;
  width: auto;
  vertical-align: middle;

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -5px;
  margin-left: -5px;

.form-row > .col {
  padding-left: 5px;
  padding-right: 5px;

label {
  margin-bottom: 0.5rem;

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