Steps to Reproduce

Run fiddle
http://zkfiddle.org/sample/vrqjkl/1-tbeditor-p-element-style-receive-margin-from-browser
Enter text in the editor.
Press enter to skip a line.
The editor adds a <p> </p> around the input.

Actual Result

<p> margin is retrieved from the browser's default stylesheet, which cause the line to jump down.

Expected Result

line should not jump down

Debug Info

http://alex-d.github.io/Trumbowyg/
Trumbowyg demo uses :

#demonstration .trumbowyg p {
    margin: 0 0 32px;
}

Root Cause

Workaround

	<style>
		.z-tbeditor-editor p {
		    margin: 0 0 1em;
		}
	</style>