right click thing.

script.js

(function($) {
  var overlayText = 'Dont steal my godamn images!';
  var padding     = '30px 20px';
  var background  = 'black';
  var textColor   = 'white';
  $(document).ready(function() {
    $('img').on('contextmenu',function(e){
      var image = $(e.target),
      wrap = image.parent();
      wrap.css('display', 'flex').css('flex-direction', 'column').css('position', 'relative');
      image.after('<span class="overlay-text">' + overlayText + '</span>');
      text = wrap.find('span');
      text.css('position', 'absolute').css('left', '50%').css('top', '50%').css('transform', 'translate(-50%, -50%)').css('color', textColor).css('background', background).css('padding', padding)
      return false;
    });
    $('body').on('click', function(){
      $('span.overlay-text').remove();
    });
  });
})(jQuery);