body {
  margin: 0;
  position: fixed;
}

.bars {
  display: flex;
  flex-direction: var(--bars-flex-direction);
}

.bar {
  display: flex;
  justify-content: var(--bar-justify-content);
  align-items: var(--bar-align-items);
  width: var(--bar-width);
  height: var(--bar-height);
  margin: 0 var(--bar-spacing) var(--bar-spacing) 0;
  background-color: var(--bar-background-color);
}

.bar-progress {
  width: 0;
  height: 0;
  transition: width 1s, height 1s, background-color 1s;
}

.video {
  width: 100vw;
  display: none;
}