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Bootstrap class: .checkbox as button

<div class="btn-group btn-group-toggle" data-toggle="buttons">
  <label class="btn btn-secondary active">
    <input type="checkbox" checked autocomplete="off"> Active
  </label>
  <label class="btn btn-secondary">
    <input type="checkbox" autocomplete="off"> Check
  </label>
</div>

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More in Bootstrap Button Modifiers

Bootstrap 4 & 5