JSFiddle - React, Tailwind, and code Playground

HTML

<div id="divL1" class="myclass">sometext here</div>
<div id="divL2" class="myclass">sometext here</div>
<div id="divL3" class="myclass">sometext here</div>
<div id="divL4" class="myclass">sometext here</div>

<span class="click">click me</span>

CSS

.myclass{
 height:50px !important;
    float:left;
    display:block;
    width:100%;
}

JavaScript

$('.click').click(function(){
    $( '.myclass' ).css("cssText", "height: 25px !important;")
});