var htmltoless = require("htmltoless");
 
var html =
'<li class="person">' +
    '<div class="person-avatar">' +
        '<div class="avatar" style="background-image: url("http://www.conferenceiq.com/media/avatars/963/avatar-original-bpfull.jpg");"></div>' +
    '</div>' +
    '<div class="person-name">' +
        '<span>Richard Branson</span>' +
    '</div>' +
'</li>';
 
var less = htmltoless.parse(html);
 
console.log(less);