JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form-group ">
	<label for="inputName" class="col-md-1 control-label">select</label>  
    <div class="col-md-5">
		<div class="checkbox">
            <input type="checkbox" name="packersOff" value="1"/>
             <label class="strikethrough">sssssssss</label>
        </div>
     </div>
</div>

CSS

input[type=checkbox]:checked + label.strikethrough{
  text-decoration: line-through;
}