JSFiddle - React, Tailwind, and code Playground
by 3gwebtrain
HTML
<div class="parent">
<div class="">X</div>
<div class="child"><span></span></div>
<div class="">Y</div>
</div>
CSS
.parent{
border:1px solid red;
display: flex;
flex-direction: row;
}
.child{
flex: 1;
background: #f4f;
}
.child span{
border-bottom:1px solid gray;
width:100%;
display: inline-block;
vertical-align: middle;
position: relative;
top:-2px;
}