JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="item">1</div>
    <div class="item">2</div>
    <div class="item">3</div>
    <div class="item">4</div>
    <div class="item">5</div>
    <div class="item">6</div>
    <div class="item">7</div>
    <div class="item">8</div>
    <div class="item">9</div>
    <div class="item">10</div>
    <div class="item">11</div>
    <div class="item">12</div>
    <div class="item">13</div>
    <div class="item">14</div>
    <div class="item">15</div>
    <div class="item">16</div>
    <div class="item">17</div>
    <div class="item">18</div>
    <div class="item">19</div>
    <div class="item">20</div>
</div>

CSS

.container{
    max-height: 400px;
    width: 100%;
    overflow: scroll;
    -webkit-columns: 100px;
}

.item{
    height: 100px;
    -webkit-column-break-inside: avoid;
}