Every HTML 5 tag can be used as reference
Remember, that every HTML 5 tag can have
id and can be used as reference. Every one!
So, if you want to display some bolded value, then instead of writing:
<span>Cars: <span id="carsValue" style="font-weight: bold"></span></span>
you can use much simpler approach of:
<span>Cars: <strong id="carsValue"></strong></span>