JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer_box">
    <div class="inner_box">1</div>
</div>

CSS

.inner_box {
    position: absolute;
    width: 50px; 
    top: 1px;
    height: 150px; 
    border: dashed thin;
    text-align: center;
}

.outer_box {
    position: relative;
    border: solid thin; 
    width: 190px;
    height: 100%;
}