Forms
Text input
.form-control .form-label · the field is pill shaped, the filled state draws the ui/focus border
Default
.form-label.required :disabled · required adds the marker, disabled greys the field out
With button
.form-group .form-group-btn · the button is pulled into the field
Large
.form-control-lg .bg-subtle · the larger field on a subtle background
With button
.form-group .form-control-lg
Select
.form-select · the arrow is a data URI with the primary colour baked in
Textarea
textarea.form-control
Checkboxes
.form-check .form-check-input .form-check-label · radius/sm on the box
Radios
.form-check .form-check-input .form-check-label · the same markup with type radio
File input
input.form-control ::file-selector-button