JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div></div>
        <div></div>
        <div></div>    <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>    <div></div>
        <div></div>
        <div></div>
</div>

CSS

.container {
    -moz-column-count: 2;
    -moz-column-gap: 10px;
    -webkit-column-count: 2;
    -webkit-column-gap: 10px;
    column-count: 2;
    column-gap: 10px;
    width: 360px;
}

.container div {
    display: inline-block;
    width: 100%;
    background-color: red;
}

JavaScript

$(".container div").css( "height", function(v){
    return Math.random() * 250 + 100 | 0 
});