<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<p>
Some text
<hr/>
More text
</p>hr {
margin-top: 1rem;
margin-bottom: 1rem;
border: 0;
border-top: 1px solid rgba(0, 0, 0, 0.1);
}