Resetting your css styles is a good thing to do to ensure that your site is rendered the same on all browsers.
Unfortunately, this often wipes out the default p tag padding and margin. The following style will restore a p to it’s normal margin (it doesn’t have a padding).
Each browser styles the p tag differently, thus this restores it to what it would look like in Firefox, creating a uniform look. Exactly what we’re going for.
margin: 1em 0px;
Here’s a link on how to use CSS Style Resets correctly:
Resetting Yoru Styles with CSS Reset