JSFiddle - React, Tailwind, and code Playground

HTML

<div class="minhalista">
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
    <div class="thumb">01</div>
</div>

CSS

.thumb {
    display:inline-block;
    height:20px;
    width:calc(100%/20);
    background:#f0f;
    border:1px solid #fff;
}