<!–

 html code in _includes/text_width_calc.html
 js code in assets/js/text_width_calc.js
 css code in assets/main/text_width_calc.css
-->

<link rel=“stylesheet” href=“{{ '/assets/css/text_width_calc.css' | relative_url }}”> <script src=“{{ '/assets/js/text_width_calc.js' | relative_url }}”></script> <div id=“width_calculator”>Width Calculator</div>