GitHub/Font > Source Code Pro by randy

/* ==UserStyle==
@name           GitHub/Font > Source Code Pro
@author         randy
@description    `May also work with gist.github.com. Default code font that GitHub uses, 'Courier' for the most part, just doesn't do it for me.
@version        20220717.1.2
@license        The Unlicense
@preprocessor   uso
==/UserStyle== */
@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("github.com"),
domain("gist.github.com") {

    /*	Improve the readability of the GitHub and Gist code font
	 *	--------------------------------------------------------
	 *	Jacked from [-Stash-]; sorry, yours did too much and didn't work on current
	 *	Sorry, but 'Courier' and 'Bitstream Vera Sans Mono' just don't do it for me.
     *  Substituting Source Code Pro, DejaVu Sans Mono, or Monaco instead.
	 */
    pre,
    pre *,
    code,
    .CodeMirror-line textarea {
        width: 825px !important;
        font-family: "Source Code Pro", "DejaVu Sans Mono", "Monaco", monospace !important;
    }
    .blob-code-inner {
        font-family: "Source Code Pro", "DejaVu Sans Mono", "Monaco", monospace !important;
    }
    .blob-code-addition {
        background-color: rgba(46, 160, 67, 0.15)        
    }
    .blob-code-deletion {
        background-color: rgba(218, 54, 51, 0.15)
    }
}