Outline Button

<button type="button" class="btn btn_primary_outline">Button</button>
<input type="button" class="btn btn_secondary_outline" value="Input">
<span type="button" class="btn btn_success_outline">Span</span>
<a href="#" type="button" class="btn btn_danger_outline">Anchor</a>
<label type="button" class="btn btn_warning_outline">Label</label>
<button type="button" class="btn btn_info_outline">Button</button>
<input type="button" class="btn btn_light_outline" type="button" value="Input">
<span type="button" class="btn btn_dark_outline">Span</span>