CODE EXAMPLE FOR ASSEMBLY

Group Buttons in Bootstrap Red Yellow Green

<div class="btn-group" role="group" aria-label="Basic outlined example">
  <button type="button" class="btn btn-outline-primary">Left</button> 
  <button type="button" class="btn btn-outline-primary">Middle</button>
  <button type="button" class="btn btn-outline-primary">Right</button>
</div>