#!/bin/sh
# $Id: gen-simplenav,v 1.14 2019/04/23 00:31:29 tom Exp $
# This allows me to reserve a navigation area in em's (M-widths).
for NUM in $(seq 1 25)
do
ALL=$(expr $NUM + 1)
PCT=$(expr $NUM \* 2)
PCX=$(expr $PCT - 2)

cat >simplenav${NUM}.css <<EOF
/*
 * This is a separate file rather than embedded because it allows us to
 * suppress non-working CSS from IE8, etc.
 */

@media only screen and (min-width: 500px) {
body {
	margin-left: $PCT%;
}

/* DocBook classes */
*.title,
*.subtitle,
*.authorgroup,
*.funcsynopsis,
*.informaltable,
*.itemizedlist,
*.note,
*.orderedlist,
*.programlisting,
*.variablelist,
blockquote,
p,li,dd {
      max-width:760px;
}
*.nav {
	margin-left: -$PCT%;
	width: $PCX%;
	position: fixed;
	top: 0;
	overflow: auto;
	height: 100%;
}
}

@media only screen and (min-width: 784px) {
body {
	margin-left: ${ALL}em;
}
*.nav {
	margin-left: -${ALL}em;
	width: ${NUM}em;
	position: fixed;
	top: 0;
	overflow: auto;
	height: 100%;
}
}

div.book>div.nav {
	padding-left: 0.5em;
}

*.nav ul {
	list-style-type: none;
	padding-left: 1em;
}

*.nav-break {
	margin-top:  10px;
}
*.nav-top
{
	color: #FFF;
	background-color: #ccc;
	text-decoration:none;
	text-transform:uppercase;
	font-style:italic;
}

*.menu-nav ul
{
	text-decoration:none;
}
EOF
done

diff -u simplenavXX.css simplenav15.css