Judul dengan Garis Backgound Kiri Kanan

CSS:
.datedAside {
     background: linear-gradient(0deg, transparent 49%, #000 50%, transparent 51%);
}
.datedAside span{
     background: #FFF;
     padding: 0 0.5rem;
}

Penggunaan:
<p class="datedAside"><span>JUDUL ARTIKEL</span></p>

Sumber:
http://stackoverflow.com/questions/11392089/horizontal-line-in-background-using-css3

Contoh macam-macam:
https://codepen.io/ericrasch/pen/Irlpm