/* xmas lights */
#lightrope {
  display: none;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  position: fixed;
  z-index: 1000;
  margin: -15px 0 0 0;
  padding: 0;
  pointer-events: none;
  width: 100%;
}

#lightrope > li {
  position: relative;
  display: inline-block;
  list-style: none;
  margin: 20px 20px 20px 22px;
}

#lightrope > li > div {
  position: relative;
  border-left: 2px solid rgba(0,0,0,.05);
  border-right: 2px solid rgba(255,255,255,.5);
  margin: 2px 0 0 -3px;
  padding: 0;
  display: block;
  width: 8px;
  height: 18px;
  border-radius: 50%;
  transform-origin: top center;
  -webkit-animation-fill-mode: forwards;
  animation-fill-mode: forwards;
  pointer-events: auto;
}

/* Colors for different bulbs */
#lightrope > li:nth-child(5n+0) > div {
  -webkit-animation-duration: 0.8s, 4.1s, 3s;
  animation-duration: 0.8s, 4.1s, 3s;
}

#lightrope > li:nth-child(5n+1) > div {
  -webkit-animation-duration: .9s, 4.3s, 3s;
  animation-duration: .9s, 4.3s, 3s;
}

#lightrope > li:nth-child(5n+2) > div {
  -webkit-animation-duration: 1s, 4.5s, 3s;
  animation-duration: 1s, 4.5s, 3s;
}

#lightrope > li:nth-child(5n+3) > div {
  -webkit-animation-duration: 1.1s, 4.7s, 3s;
  animation-duration: 1.1s, 4.7s, 3s;
}

#lightrope > li:nth-child(5n+4) > div {
  -webkit-animation-duration: 1.2s, 4.9s, 3s;
  animation-duration: 1.2s, 4.9s, 3s;
}

/* Animation assignments */
#lightrope > li:nth-child(4n+0) > div {
  -webkit-animation-name: flash-all, sway, flickPendulum;
  animation-name: flash-all, sway, flickPendulum;
  -webkit-animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  -webkit-animation-iteration-count: infinite, infinite, 1;
  animation-iteration-count: infinite, infinite, 1;
  background: #00f7a5;
  box-shadow: 0px 4.6666666667px 24px 3px #00f7a5;
}

#lightrope > li:nth-child(4n+1) > div {
  -webkit-animation-name: flash-all, sway, flickPendulum;
  animation-name: flash-all, sway, flickPendulum;
  -webkit-animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  -webkit-animation-iteration-count: infinite, infinite, 1;
  animation-iteration-count: infinite, infinite, 1;
  background: #0CF;
  box-shadow: 0px 4.6666666667px 24px 3px #0CF;
}

#lightrope > li:nth-child(4n+2) > div {
  -webkit-animation-name: flash-all, sway, flickPendulum;
  animation-name: flash-all, sway, flickPendulum;
  -webkit-animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  -webkit-animation-iteration-count: infinite, infinite, 1;
  animation-iteration-count: infinite, infinite, 1;
  background: #f76666;
  box-shadow: 0px 4.6666666667px 24px 3px #f76666;
}

#lightrope > li:nth-child(4n+3) > div {
  -webkit-animation-name: flash-all, sway, flickPendulum;
  animation-name: flash-all, sway, flickPendulum;
  -webkit-animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  animation-timing-function: linear, ease-in-out, cubic-bezier(0.215, 0.61, 0.355, 1);
  -webkit-animation-iteration-count: infinite, infinite, 1;
  animation-iteration-count: infinite, infinite, 1;
  background: #FFEE33;
  box-shadow: 0px 4.6666666667px 24px 3px #FFEE33;
}

#lightrope > li > div:hover {
  -webkit-animation: flash-all 0.8s infinite linear;
  animation: flash-all 0.8s infinite linear;
}

/* Special case for the broken light */
#lightrope > li.broken > div {
  left: -2px;
  background: rgba(220,220,220,.5) !important;
  border-left: 2px solid #BDE;
  border-right: 2px solid #DEF;
  box-shadow: none !important;
  -webkit-animation-name: none !important;
  animation-name: none !important;
  -webkit-animation-duration: 0s !important;
  animation-duration: 0s !important;
  -webkit-transform: rotatez(15deg) !important;
  transform: rotatez(15deg) !important;
}

/* Bulb top and cord */
#lightrope > li:before {
  content: "";
  position: absolute;
  background: #262;
  width: 4px;
  height: 8px;
  border-radius: 3px;
  top: -4.6666666667px;
  left: -1px;
  border-left: 2px solid rgba(0,0,0,.05);
  border-right: 2px solid rgba(255,255,255,.5);
}

#lightrope > li::after {
  content: "";
  top: -12px;
  left: -1px;
  position: absolute;
  width: 58px;
  height: 18.6666666667px;
  border-bottom: solid #262 2px;
  border-radius: 50%;
  background: #060;
  --mask: radial-gradient(5.66px at 50% calc(100% + 4.2px),#0000 calc(99% - 1px),#000 calc(101% - 1px) 99%,#0000 101%) calc(50% - 6px) calc(50% - 2px + .5px)/12px 4px repeat-x,
          radial-gradient(5.66px at 50% -4.2px,#0000 calc(99% - 1px),#000 calc(101% - 1px) 99%,#0000 101%) 50% calc(50% + 2px)/12px 4px repeat-x,
          radial-gradient(7.38px at 50% calc(100% + 5.6px),#0000 calc(99% - 1px),#000 calc(101% - 1px) 99%,#0000 101%) calc(50% - 8px) calc(50% - 2.5px + .5px)/16px 5px repeat-x,
          radial-gradient(7.38px at 50% -5.6px,#0000 calc(99% - 1px),#000 calc(101% - 1px) 99%,#0000 101%) 50% calc(50% + 2.5px)/16px 5px repeat-x;
  -webkit-mask: var(--mask);
  mask: var(--mask);
}

#lightrope li:last-child:after {
  content: none;
}

#lightrope li:first-child {
  margin-left: -40px;
}

/* Animations */
@-webkit-keyframes flickPendulum {
  0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
  10% { -webkit-transform: rotate(20deg); transform: rotate(20deg); }
  20% { -webkit-transform: rotate(-18deg); transform: rotate(-18deg); }
  30% { -webkit-transform: rotate(15deg); transform: rotate(15deg); }
  40% { -webkit-transform: rotate(-12deg); transform: rotate(-12deg); }
  50% { -webkit-transform: rotate(9deg); transform: rotate(9deg); }
  60% { -webkit-transform: rotate(-6deg); transform: rotate(-6deg); }
  70% { -webkit-transform: rotate(4deg); transform: rotate(4deg); }
  80% { -webkit-transform: rotate(-2deg); transform: rotate(-2deg); }
  90% { -webkit-transform: rotate(1deg); transform: rotate(1deg); }
  100% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
}

@keyframes flickPendulum {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(20deg); }
  20% { transform: rotate(-18deg); }
  30% { transform: rotate(15deg); }
  40% { transform: rotate(-12deg); }
  50% { transform: rotate(9deg); }
  60% { transform: rotate(-6deg); }
  70% { transform: rotate(4deg); }
  80% { transform: rotate(-2deg); }
  90% { transform: rotate(1deg); }
  100% { transform: rotate(0deg); }
}

@-webkit-keyframes flash-all {
  0%, 25%, 75%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

@keyframes flash-all {
  0%, 25%, 75%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

@-webkit-keyframes sway {
  0%, 100% { -webkit-transform: rotate(0.5deg); transform: rotate(0.5deg); }
  50% { -webkit-transform: rotate(-0.5deg); transform: rotate(-0.5deg); }
}

@keyframes sway {
  /* sway was added to give a tiny bit of motion that made them seem less artificial. Broken since moving the bulbs to inner <div>s. At some point I will fix. */
  0%, 100% { transform: rotate(0.5deg); }
  50% { transform: rotate(-0.5deg); }
}
/* end of xmas lights */