canvas[resize] {
    width: 100%;
    height: 100%;
}

/* for dat.GUI */
#gui_container{
  position: absolute;
  top: 0;
  right: -30px;
  z-index: 9;
  transform-origin: 0 0;
  transform: scale(0.8);
}

.folder:nth-of-type(1) .dg  .slider-fg {
  background: red ;
}
.folder:nth-of-type(2) .dg  .slider-fg {
  background: #093da8 ;
}
.folder:nth-of-type(4) .dg  .slider-fg {
  background: #0d5cb4 ;
}
.folder:nth-of-type(3) .dg  .slider-fg {
  background: #308cf1 ;
}