Page Size - Built-in CSS rules

The [PLUGIN_DIR]/css/p-page-size.css file contains the default page rules. It uses the US-LETTER size (8.5in by 11in). The content of this file is:

@page {
    padding-top:0.2em;
    padding-bottom:0.2em;
    size: us-letter;    
    margin: 1in;
}