inform7/docs/docs-assets/Progress.css

nav[role="progress"] {
	position: -webkit-sticky; /* Safari */
	position: sticky;
	bottom: 0;
	background: #fff;
	margin-top: 4px;
	padding-top: 4px;
}

nav[role="progress"] div.progresscontainer {
	border:1px solid #dedede;
    margin-top: 7px;
    margin-bottom: 0px;
}

nav[role="progress"] ul {
	font-weight: 400;
   	list-style: none
    font-size: 11px;
    margin-top: 12px;
    margin-bottom: 12px;
    padding-left: 7px;
}

nav[role="progress"] ul li {
	display: inline;
    padding: 7px;
    margin: 2px;
    background: #E0E0FF;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav[role="progress"] ul li.progresschapter {
    background: #E0FFE0;
    margin-left: 7px;
    margin-right: 7px;
}

nav[role="progress"] ul li.progresscurrentchapter {
    background: #B0CFB0;
    margin-left: 7px;
    margin-right: 2px;
}

nav[role="progress"] ul li.progresscurrent {
    background: #B0B0CF;
}

nav[role="progress"] ul li.progressprev {
    background: #FFE0E0;
    margin-left: 10px;
    margin-right: 10px;
}

nav[role="progress"] ul li.progressprevoff {
    background: #DFB0B0;
    margin-left: 10px;
    margin-right: 10px;
}

nav[role="progress"] ul li.progressnext {
    background: #FFE0E0;
    margin-left: 10px;
    margin-right: 10px;
}

nav[role="progress"] ul li.progressnextoff {
    background: #DFB0B0;
    margin-left: 10px;
    margin-right: 10px;
}

nav[role="progress"] ul li.active a {
    font-weight: 700
}

nav[role="progress"] ul li a:link {
    color: #333;
    text-decoration: none;
}

nav[role="progress"] ul li span.selectedlink {
    color: #f25;
}

nav[role="progress"] ul li span.unlink {
    color: #f25;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
    display: inline;
}

nav[role="progress"] ul li a:visited {
    color: #333
}

nav[role="progress"] ul li a:active {
    font-weight: 700
}

nav[role="progress"] ul li a:hover {
    color: #dd2c0d
}