.sidebar-overlay{
  background: transparent;
  bottom: 0;
  position: fixed;
  right: 0;
  left: 0;
  transition: all .5s;
  display: none;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.overlayActive{
  left: 100px;
  display: block;
}

.overlayActive.active-subsidebar{
  left: 320px;
}