JSFiddle - React, Tailwind, and code Playground

HTML

<h3> TODAY SPECIALS </h3>

CSS

h3{
    text-align: center;
     margin-bottom: 0px;
}
h3::after{
    content: "";
    display:block;
    margin:5px auto 0;
    background-color: yellow;
    width:50px;
    height: 2px;
}