This little snippet simply checks for the presence of certain words and adds them as class names, quick and dirty.
window.addEventListener('load', function() {
var ems=document.getElementsByTagName('em');
for (i=0;i<ems.length;++i) {
ems[i].className = " found";
if (ems[i].innerHTML.includes('auto')){
ems[i].className = ems[i].innerHTML;
}
if (ems[i].innerHTML.indexOf('*commercial*') > -1 || ems[i].innerHTML.indexOf('*business*') > -1){
ems[i].className = ems[i].innerHTML;
}
if (ems[i].innerHTML.indexOf('*home*') > -1 || ems[i].innerHTML.indexOf('*homeowners*') > -1){
ems[i].className = ems[i].innerHTML;
}
if (ems[i].innerHTML.indexOf('*registration*') > -1 || ems[i].innerHTML.indexOf('*dmv*') > -1){
ems[i].className = ems[i].innerHTML;
}
}
}, true);