JSFiddle - React, Tailwind, and code Playground
by amindunited
HTML
<div class="measure">
<div class="label">1px</div>
<div class="middle"></div>
</div>
CSS
.measure {
height: 1rem;
width: 100%;
border-left: solid 1px purple;
border-right: solid 1px purple;
position: relative;
}
.measure > .middle {
height: 1px;
width: 100%;
background-color: purple;
position: absolute;
top: 50%;
left: 0px;
right: 0px;
z-index: 1;
}
.measure > .label {
text-align: center;
font-size: 16px;
background-color: white;
border: solid 1px purple;
padding: 2px;
border-radius: 2rem;
overflow: visible;
color: purple;
position: absolute;
margin-left: auto;
margin-right: auto;
z-index: 99;
left: 50%;
transform: translateX(-50%);
}