horizontal forms, use the predefined grid classes.\n\n.form-group {\n  margin-bottom: $form-group-margin-bottom;\n}\n\n.form-text {\n  display: block;\n  margin-top: $form-text-margin-top;\n}\n\n\n// Form grid\n//\n// Special replacement for our grid system's `.row` for tighter form layouts.\n\n.form-row {\n  display: flex;\n  flex-wrap: wrap;\n  margin-right: -$form-grid-gutter-width * .5;\n  margin-left: -$form-grid-gutter-width * .5;\n\n  > .col,\n  > [class*=\"col-\"] {\n    padding-right: $form-grid-gutter-width...