multi selection comment with image

<div class="row">
<div class="col-md-3">
<div class="custom-control custom-checkbox image-checkbox">
<input type="checkbox" class="custom-control-input" id="ck1a">
<label class="custom-control-label" for="ck1a"> < https://deixousaudade.agenciahausse.com.br/wp-content/uploads/2021/10/Design-sem-nome-15.pn g" alt="#" class="img-fluid"> </label>
</div>
</div>
<div class="col-md-3">
<div class="custom-control custom-checkbox image-checkbox">
<input type="checkbox" class="custom-control-input" id="ck1b">
<label class="custom-control-label" for="ck1b"> <img src="https://deixousaudade.agenciahausse.com.br/wp-content/uploads/2021/10/Design-sem-nome-17.png" alt="#" class="img-fluid"> </label>
</div>
</div>
<div class="col-md-3">
<div class="custom-control custom-checkbox image-checkbox">
<input type="checkbox" class="custom-control-input" id="ck1c">
<label class="custom-control-label" for="ck1c"> <img src="https://deixousaudade.agenciahausse.com.br/wp-content/uploads/2021/10/Design-sem-nome-16.png" alt="#" class="img-fluid"> </label>
</div>
</div>
<div class="col-md-3">
<div class="custom-control custom-checkbox image-checkbox">
<input type="checkbox" class="custom-control-input" id="ck1d">
<label class="custom-control-label" for="ck1d"> <img src="img/vladimir-kudinov.jpg" alt="#" class="img-fluid"> </label>
</div>
</div>
</div>

@jecanesin,

The HTML field is designed to display the HTML content. If you want to add functionality you should write your custom php/js/css. 

By simply adding checkboxes in HTML is not enough to make it work.