var page = require('webpage').create();

page.open("http://n1k0.github.io/casperjs/#phantom_Casper_captureSelector", function    (status) {
    if (status !== 'success') {
        console.log('Unable to load the address!');
    } else {

        var clipRect = page.evaluate(function () {
        return document.querySelector(".span7 demo").getBoundingClientRect(); });
        page.clipRect = {
            top:    clipRect.top,
            left:   clipRect.left,
            width:  clipRect.width,
            height: clipRect.height
        };



        window.setTimeout(function () {
            page.render('capture.png');
            phantom.exit();
        }, 200);
    }
});

var clipRect = page.evaluate(function () {
return document.querySelector(".span7 demo").getBoundingClientRect(); });

var clipRect = document.querySelector(".span7 demo").getBoundingClientRect(); });

var page = require('webpage').create();

page.open("http://n1k0.github.io/casperjs/#phantom_Casper_captureSelector", function    (status) {
    if (status !== 'success') {
        console.log('Unable to load the address!');
    } else {
        window.setTimeout(function () {
            //Heres the actual difference from your code...
            var bb = page.evaluate(function () {
                return document.getElementsByClassName("span7 demo")[0].getBoundingClientRect();
            });

            page.clipRect = {
                top:    bb.top,
                left:   bb.left,
                width:  bb.width,
                height: bb.height
            };

            page.render('capture.png');
            phantom.exit();
        }, 200);
    }
});

var page = require('webpage').create();

page.open("https://www.sejlar.com/maps.html", function (status) {
    if (status !== 'success') {
        console.log('Page not found');
    }
    else {
        var p = page.evaluate(function () {
            return document.getElementById('map').getBoundingClientRect();
        });

        page.clipRect = {
            top:    p.top,
            left:   p.left,
            width:  p.width,
            height: p.height
        };

        page.render('screenshot.png');
        phantom.exit();
    }
});

return JSON.stringify(document.getElementsByClassName("span7 demo")[0].getBoundingClientRect();

return JSON.stringify(document.getElementsByClassName("span7 demo")[0].innerHTML);