I did already find a post about using the
You can still use
<hr> as a horizontal line, and you probably should. In HTML5 it defines a thematic break in content, without making any promises about how it is displayed. The attributes that aren't supported in the HTML5 spec are all related to the tag's appearance. The appearance should be set in CSS, not in the HTML itself.
So use the
<hr> tag without attributes, then style it in CSS to appear the way you want.