JSFiddle - React, Tailwind, and code Playground

HTML

<h1 class="line-heading">Ăśbersicht</h1>

CSS

.line-heading { text-transform: uppercase; }

.line-heading:before,
.line-heading:after {
    border-top: 1px solid black;
    content: '';
    display: inline-block;
    width: 100px;
}

.line-heading:before {
    margin: 0 10px 10px 0;
}

.line-heading:after {
    margin: 0 0 10px 10px;
}