7.13: Modals directive examples  optional sizes
===============================================

**Primary Actor**: User  

**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user optional sizes functionality

Main success scenario:
----------------------

1. User opens "Modals" demo page
2. User clicks on "Optional sizes" sub-menu
3. After click on "Large modal" button, large modal popup is opened
4. When user closes large modal popup by click on the cross, modal popup closed
5. After click on "Small modal" button, small modal popup is opened
6. When user closes modal popup by click on the cross, modal popup is closed

Variations:
----------

2*. User scrolls to "Static modal"