JSFiddle - React, Tailwind, and code Playground

by camnpr

HTML

<form>
    <label class=line>Boom</label>
</form>

CSS

form{
    overflow:hidden;
}
.line{
    position:relative;
    display:block;
}
.line:after{
    content:"";
    position:absolute;
    top:50%;
    width:100%;
    height:1px;
    background-color:#ccc;
}