The small & hr elements

Two more HTML4 presentational elements that have undergone transmogrification to have semantics in HTML5 are <small> and <hr>

The i, b, em, & strong elements

While many HTML4 elements have been brought into HTML5 essentially unchanged, several historically presentational ones have been given semantic meanings. Let’s look at <i> and <b> and compare them to the semantic stalwarts <em> and <strong>.