$(function(){
    resizeAll();
    $(window).bind("resize", function(){
        resizeAll();
    });
});
$(window).bind('load', function() {resizeAll()});
function footerStickBottom (footer_block) {
    $(footer_block).css({'margin-top':0});
    var allWindowsHeight = $(window).height();
    var footerBottomOffset = $(footer_block).offset().top + $(footer_block).outerHeight();
    // console.log(allWindowsHeight);
    // console.log(footerBottomOffset);
    if (allWindowsHeight > footerBottomOffset) {
        var footerMarginTop = allWindowsHeight - footerBottomOffset;
        $(footer_block).css({'margin-top':footerMarginTop});
    }
}
function resizeAll() {
    footerStickBottom ('.footer');
    
}      box-sizing: border-box;main {
	min-width: 100%;
	max-height: 100%;
	padding: 15px;
}*, *:before, *:after {
  box-sizing: border-box;
}      if ($(document).height() <= $(window).height())
	$("footer.footer").addClass("navbar-fixed-bottom");
      
  
  .active {
  height: 300px;
  cursor: pointer;
  background-color: green;
  overflow: auto;
}$('.qwerty').on('click', function() {
  $(this).toggleClass('active');
});