15.7: Tooltip Append to body example
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**Primary Actor**: User

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

**Goal**: Show user how to make tooltip appended to body

Main success scenario:
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1. User opens Tooltip demo page
2. User clicks on Append to body sub-menu
3. User see 2 buttons "Default tooltip" and "Tooltip appended to body"
4. When user hover on "Default tooltip", then tooltip-container shown on the top of button with specific text //TODO tooltip not visible
5. When user moves the mouse cursor away of tooltip-button, then tooltip-container disappeared
6. When user hover on "Tooltip appended to body", then tooltip-container shown on the top of button with specific text
7. When user moves the mouse cursor away of tooltip-button, then tooltip-container disappeared
8. Template src should be written with container="body"

Variations:
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2*. User scroll to Append to body sub-menu