Tree

@grid: 1x2x18 / 800px;
@size: 95%;
position: absolute;
bottom: 90%;
left: 0;
transform-origin: 50% 100%;
transform: rotate(@pn(26deg, -20deg)) scale(.72);
background: #000;

@z(1) {
  bottom: 0;
  left: 50%;
  width: 4.4%;
  height: 26%;
  transform: none;
}