QWebView problems with loading checkboxes

When I load any webpage with <input type="checkbox"> field into a QWebView widget on Mac OS 10.10.1 Yosemite the checkbox renders incorrectly. The box itself is rendered in the top left corner of the page, while it label displays in right position.

Sample code of a simple MainWindow

#include "mainwindow.h"
#include <QWebView>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    QWebView* wv = new QWebView(this);
    wv->load(QUrl("http://sislands.com/coin70/week4/chkBoxTest.htm"));

    setCentralWidget(wv);
}

Also, I couldn't open http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_checkbox_get example page in QWebView at all.

Currently I am experiencing the bug on Mac OS X, on Windows rendering is ok, but I didn't test it on other platforms. On Qt 5.3.2 everything works well.