JSFiddle - React, Tailwind, and code Playground

HTML

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

</div>
</div>

CSS

.container {
    display: block;
    width: 65%;
    margin: 0 auto;
    border: 1px solid #000;
    height: auto;
   align-items: center;
}
.clearfix {
  display: block;
  clear: both;
}
.container .item { width: 136px; height: 180px; background: gray;  max-width: 136px;
float: left;
                margin: 0 6px 20px; display: block; justify-content: center }