varia.website/themes/varia/static/js/stars.js

// stars.js
// Random Stars
var generateStars = function () {
  var $galaxy = $(".galaxy");
  var iterator = 0;

  while (iterator <= 100) {
    var xposition = Math.random();
    var yposition = Math.random();
    var star_type = Math.floor(Math.random() * 3 + 1);
    var position = {
      x: $galaxy.width() * xposition,
      y: $galaxy.height() * yposition,
    };

    $('<div class="star star-type' + star_type + '"></div>')
      .appendTo($galaxy)
      .css({
        top: position.y,
        left: position.x,
      });

    iterator++;
  }
};

generateStars();