Animating Divs

moveBlocks.js

function moveBlocks() {
  randBlocks();

  var topOpp1 = parseInt($(".opponent-1").css("top"));
  var topOpp2 = parseInt($(".opponent-2").css("top"));
  var topOpp3 = parseInt($(".opponent-3").css("top"));

  if (topOpp1 >= 400 || topOpp2 >= 400 || topOpp3 >= 400) {
    $(".opponent-1").css("top", 0);
    $(".opponent-2").css("top", 0);
    $(".opponent-3").css("top", 0);
    points();
  }

  var prop = {
    top: "+=400"
  };
  var time = 1500;
  var easing = "linear";

  $(".opponent-3").animate(prop, time, easing);
  $(".opponent-1").animate(prop, time, easing);
  $(".opponent-2").animate(prop, time, easing, moveBlocks);
}