7.8: Modals service examples animation option
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**Primary Actor**: User  

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

**Goal**: Show user animation option functionality

Main success scenario:
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1. User opens "Modals" demo page
2. User clicks on "Animation option" sub-menu
3. When user clicks on "Enable animation" button, title of button should change to "Disable animation"
4. And after that click on "Open modal with custom css class" button, modal popup is opened with animations effects
5. When user closes modal popup by click on the cross, modal popup is closed
6. When user clicks on "Disable animation" button, title of button change to "Enable animation"
7. And after that click on "Open modal" button, modal popup is opened without animations effects

Variations:
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2*. User scrolls to "Animation option"
