So I have this
<p class="first">Paragraph 1</p>
<p class="second">Paragraph 2</p>
background-color on a
You can also see the computed style of your second
p tag when inspecting the elements. There you will see that
background-color has actually the value
rgba(0, 0, 0, 0) which is the same as a transparent black.
There is a good article on quirksmode.org about inherit, initial and unset values.