Use the following style to align the heights of checkboxes, radio groups and sliders for outline appearance.
CSS rules may need adjustments if you do not use the default material typography.
.zv-form-field-type-mat-slider .mat-form-field-appearance-outline mat-slider {
margin: -1em 0;
width: 100%;
}
.zv-form-field-type-mat-radio-group .mat-form-field-appearance-outline .mat-mdc-form-field-infix,
.zv-form-field-type-mat-mdc-checkbox .mat-form-field-appearance-outline .mat-mdc-form-field-infix {
padding: 0.5em 0;
}