13.11: Tabs Custom template example
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**Primary Actor**: User

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

**Goal**: Show user example of tabs with custom template

Main success scenario:
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1. User opens Tabs demo page
2. User clicks on Custom template sub-menu
3. User see tabs component with 3 tabs
4. By default, the first tab with default styles chosen and there is content inside "Tab 1"
5. When user clicks on the second tab, it become chosen and there is content inside and "I've got an HTML heading. Pretty cool!"
6. Second tab should have specific style from other custom class
7. When user clicks on the third tab, it become chosen and there is content inside and "Tab with html tags in heading"
8. Third tab should have specific style with \<i>\<b> tags

Variations:
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2*. User scroll to Custom template sub-menu