bootstrap button outline

1In need of a button, but not the hefty background colors they bring? 
2Replace the default modifier classes with the .btn-outline-* ones to 
3remove all background images and colors on any button.
4
5<button type="button" class="btn btn-outline-primary">Primary</button>
6<button type="button" class="btn btn-outline-secondary">Secondary</button>
7<button type="button" class="btn btn-outline-success">Success</button>
8<button type="button" class="btn btn-outline-danger">Danger</button>
9<button type="button" class="btn btn-outline-warning">Warning</button>
10<button type="button" class="btn btn-outline-info">Info</button>
11<button type="button" class="btn btn-outline-light">Light</button>
12<button type="button" class="btn btn-outline-dark">Dark</button>

1.btn{
2	box-shadow: none !important
3}

1<button type="button" class="btn btn-primary">Primary</button>
2<button type="button" class="btn btn-secondary">Secondary</button>
3<button type="button" class="btn btn-success">Success</button>
4<button type="button" class="btn btn-danger">Danger</button>
5<button type="button" class="btn btn-warning">Warning</button>
6<button type="button" class="btn btn-info">Info</button>
7<button type="button" class="btn btn-light">Light</button>
8<button type="button" class="btn btn-dark">Dark</button>
9
10<button type="button" class="btn btn-link">Link</button>

1<button type="button" class="btn btn-outline-primary" href="#">Primary</button>