JSFiddle - React, Tailwind, and code Playground

HTML

<div class="customCheckboxBtns">
  <div class="ck-button">
    <label>
      <input checked="checked" name="column-2" type="checkbox">1</label>
  </div>
  <div class="ck-button">
    <label class="selected">
      <input checked="checked" name="column-3" type="checkbox">2</label>
  </div>
  <div class="ck-button">
    <label>
      <input checked="checked" name="column-4" type="checkbox">3</label>
  </div>
  <div class="ck-button">
    <label>
      <input checked="checked" name="column-5" type="checkbox">4</label>
  </div>
  <div class="ck-button">
    <label>
      <input checked="checked" name="column-6" type="checkbox">5</label>
  </div>
</div>

CSS

.customCheckboxBtns {
  margin-bottom: 1rem;
  margin-top: 0.25rem;
  overflow: auto;
}

.ck-button {
  margin-right: 0.375rem;
  background-color: #ffffff;
  border-radius: 4px;
  border: 1px solid #26a69a;
  overflow: auto;
  float: left;
  font-family: 'Source Sans Pro', sans-serif;
  transition: all 0.2s ease 0s;
  color: #999999;
}

.ck-button:hover {
  background: #7dcac2;
  border: 1px solid #26a69a;
  color: #26a69a;
  background-color: #ffffff;
}

.ck-button label {
  text-align: center;
  padding: 0.25rem 0.5rem;
  display: block;
  background: #26a69a;
  color: #ffffff;
  transition: all 0.2s ease 0s;
}

.ck-button label:hover {
  cursor: pointer;
}

.ck-button input:checked {
  background: #26a69a none repeat scroll 0 0;
  color: #ffffff;
  padding: 0.25rem 0.5rem;
  transition: all 0.2s ease 0s;
}

.ck-button label:hover {
  background: #7dcac2 none repeat scroll 0 0;
  color: #ffffff;
}

.ck-button label input {
  position: absolute;
  /*top:-2000px;*/
}

.ck-button label input[type="checkbox"] {
  position: absolute;
  visibility: hidden;
}

label.selected {
  background: #7dcac2 none repeat scroll 0 0;
  color: #ffffff;
}

JavaScript

$('.ck-button input').on('change', function() {
  $(this.parentNode).toggleClass('selected', this.checked);
});