JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div class="item">asd<div class="tools">66</div></div>
    <div class="item">asd<div class="tools">55</div></div>
    <div class="item">asd<div class="tools">44</div></div>
    <div class="item">as<div class="tools">33</div></div>
    <div class="item">aa<div class="tools">22</div></div> 
</div>

CSS

.parent {
    float:left;
}    
.item {
    width: 20px;
    height: 20px;
    background: red;
    position:relative;
    float:right;
    z-index:1;
    margin-right:2px;
}
.tools {
    width: 20px;
    height: 20px;
    background: blue; 
    position:absolute;
    top: 5px;
    left: 5px;
}