in fauxton-visual-guide/js/main.js [199:214]
function clearAll () {
$('#getting-started').removeClass('shown');
$('#using-fauxton').removeClass('shown');
$('#answers').removeClass('shown');
$('.toc .heading, .fauxton-toc .icon-menu a').each(function () {
$(this).removeClass('selected');
})
$('.big-nav-subtitle')
.css({
'color': '',
'font-weight': ''
});
$('.getting-started .large-icon, .using-fauxton .large-icon, .answers .large-icon')
.css('background-image', '');
}