JSFiddle - React, Tailwind, and code Playground

HTML

<div id="d1">
    1
    <div id="d2">
        2
        <div id="d3">
            3
        </div>
    </div>
</div>

CSS

#d2{
 line-height:20px;   
}

JavaScript

$.fn.getStyleParent = function(what){
    if(this.length>1) return this; // only do for 1 element :P
    
    
    var $source = this;
    var element = null;
    $(this).parents().each(function(){
        if($(this).css(what)==$source.css(what))
            element = this;
    });
    return $(element);
}
    
console.log($('#d3').getStyleParent('line-height'));