let maxim, mmedia, play, bar, progress, mute, volume, loop;
function initiate() {
  maxim = 400;
  mmedia = document.getElementById("media");
  play = document.getElementById("play");
  bar = document.getElementById("bar");
  progress = document.getElementById("progress");
  mute = document.getElementById("mute");
  volume = document.getElementById("volume");

  play.addEventListener("click", push);
  mute.addEventListener("click", sound);
  bar.addEventListener("click", move);
  volume.addEventListener("input", level);
}