Here is a working CSS/small JS solution based on the answer of Sandeep Pal:
$(document).click(function (e)
{
if (!$("#noticeMenu").is(e.target) && $("#noticeMenu").has(e.target).length == 0)
{
$("#menu-toggle3").prop('checked', false);
}
});
Try it out by clicking the checkbox and then outside of the menu: