/* Xmas Tree shared CSS (XmasTree.css / xmas-tree.css) */

.tree-container {
  position: fixed;
  left: 20px;
  bottom: -10px;
  perspective: 1200px;
  transform-style: preserve-3d;
  z-index: 999;
}
.tree {
  position: relative;
  height: 40vmin;
  width: 20vmin;
  transform-style: preserve-3d;
  will-change: transform;
  -webkit-animation: spin3d 2s infinite linear;
  animation: spin3d 2s infinite linear;
}

.tree__light {
  transform-style: preserve-3d;
  will-change: transform;
  position: absolute;
  height: 1vmin;
  width: 1vmin;
  border-radius: 50%;
  -webkit-animation:
    flash calc(var(--speed) * 1s) calc(var(--delay) * 1s) infinite steps(4),
    appear 0.5s calc(var(--appear) * 0.05s) both;
  animation:
    flash calc(var(--speed) * 1s) calc(var(--delay) * 1s) infinite steps(4),
    appear 0.5s calc(var(--appear) * 0.05s) both;
  left: 50%;
  transform: translate(-50%, 50%) rotateY(calc(var(--rotate, 0) * 1deg))
    translate3d(0, 0, calc(var(--radius, 0) * 1vmin));
  bottom: calc(var(--y, 0) * 1%);
}

.tree__star {
  stroke-width: 5vmin;
  stroke: #f5e0a3;
  filter: drop-shadow(0 0 2vmin #fcf1cf);
  height: 5vmin;
  width: 5vmin;
  overflow: visible !important;
  bottom: 100%;
  left: 50%;
  transform: translate(-50%, 0);
  position: absolute;
  stroke-dasharray: 1000 1000;
  fill: none;
  -webkit-animation: stroke 1s calc((var(--delay) * 0.95) * 0.05s) both;
  animation: stroke 1s calc((var(--delay) * 0.95) * 0.05s) both;
}
@keyframes stroke {
  from {
    stroke-dashoffset: -1000;
  }
}
@keyframes spin3d {
  to {
    transform: rotateY(360deg);
  }
}
@keyframes appear {
  from {
    opacity: 0;
  }
}
@keyframes flash {
  0%,
  100% {
    background: #f00;
  }
  20% {
    background: #fff;
  }
  40% {
    background: #f00;
  }
  60% {
    background: #fff;
  }
  80% {
    background: #f00;
  }
}