JSFiddle - React, Tailwind, and code Playground

HTML

sd<h1>&nbsp;CENTERED TEXTscd sdcs dcs cssdcsdcsdddd ddddddd ddddddddd dddddcsdcsd  ddcsdc&nbsp;</h1>

CSS

h1 { 
    position: relative;
    text-align: center;
}
h1:first-line {
    color: darkred;
    font-weight: bold;
    background-color: white;
}
h1:before {
    position: absolute;
    z-index: -1;
    content: '';
    left: 0px;
    right: 0px;
    top: 50%;
    margin-top: -1px;
    border: 1px solid darkred;    
}