For init the plugin
jQuery(document).tgaEqualizer();
<div data-tgaequalizer="element-set" data-tgaequalizer-col="3">
<div data-tgaequalizer-watch="element-set">Pippo</div>
<div data-tgaequalizer-watch="element-set">Paperino</div>
<div data-tgaequalizer-watch="element-set">Pluto</div>
<div data-tgaequalizer-watch="element-set">Minnie</div>
<div data-tgaequalizer-watch="element-set">Zio Paperone</div>
</div>
Responsive
<div class="init-tgaequalizer" data-tgaequalizer="element-set" data-tgaequalizer-col="3" data-tgaequalizer-small="2" data-tgaequalizer-xsmall="2">
<div data-tgaequalizer-watch="element-set">Pippo</div>
<div data-tgaequalizer-watch="element-set">Paperino</div>
<div data-tgaequalizer-watch="element-set">Pluto</div>
<div data-tgaequalizer-watch="element-set">Minnie</div>
<div data-tgaequalizer-watch="element-set">Zio Paperone</div>
</div>