* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  border: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  font-family: "Pacifico", cursive;
  overflow: hidden;
}
html::after,
body::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background-image: url("https://secret-santa-gift.vercel.app/bg.bbe3be5a.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.6;
}

canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.headline {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 12vw;
  line-height: 100%;
  color: rgba(255, 255, 255, 0.12);
  mix-blend-mode: overlay;
  user-select: none;
}

.instructions {
  position: absolute;
  top: 27%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  text-align: center;
  font-size: 7vw;
  color: white;
  user-select: none;
}

.credits {
  position: absolute;
  bottom: 0;
  right: 0;
  color: white;
  font-size: 20px;
}

.gift {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  display: block;
  width: 20wh;
  height: auto;
  transform: translate3d(-50%, -50%, 0) rotateY(0) rotateX(0) scale(0);
  transition: all 3s ease-out 0.5s;
  user-select: none;
}

.present {
  position: absolute;
  top: 55%;
  left: 0;
  right: 0;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  cursor: pointer;
  perspective: 600px;
  transform: translateY(-50%);
}

.wiggle-container {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform-origin: bottom;
}

.present.animate .wiggle-container {
  animation: wiggle 0.3s ease 0s 1 normal forwards;
}

@keyframes wiggle {
  0% {
    transform: translateX(0) rotateX(0);
  }
  25% {
    transform: translateX(calc(var(--count) * -1px)) rotateX(calc(var(--count) * 1deg));
  }
  50% {
    transform: translateX(0) rotateX(0);
  }
  75% {
    transform: translateX(calc(var(--count) * 1px)) rotateX(calc(var(--count) * -1deg));
  }
  100% {
    transform: translateX(0) rotateX(0);
  }
}
.rotate-container {
  height: 100%;
  transform: rotateY(170deg);
  transform-style: preserve-3d;
  animation: present-rotate 30s infinite linear;
}

@keyframes present-rotate {
  0% {
    transform: rotateY(0);
  }
  100% {
    transform: rotateY(360deg);
  }
}
.bottom,
.front,
.left,
.back,
.right {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #23472c;
}

.bottom {
  transform: translateY(50%) rotateX(90deg);
}

.front,
.left,
.back,
.right {
  transition: transform 1s ease-out 3s;
  transform-origin: bottom;
  transform-style: preserve-3d;
}

.front:after,
.left:after,
.back:after,
.right:after,
.lid-top:after,
.lid-front:after,
.lid-left:after,
.lid-back:after,
.lid-right:after {
  content: "";
  position: absolute;
  left: calc(50% - 10px);
  width: 20px;
  height: 100%;
  background-color: white;
  transform: translateZ(0.1px);
}

.lid-top:before {
  content: "";
  position: absolute;
  top: calc(50% - 10px);
  left: 0;
  width: 100%;
  height: 20px;
  background-color: white;
  transform: translateZ(0.1px);
}

.left {
  transform: translateX(-50%) rotateY(-90deg);
}

.back {
  transform: translateZ(-100px) rotateY(180deg) rotateX(0);
}

.right {
  transform: translateX(50%) rotateY(90deg);
}

.front {
  transform: translateZ(100px);
}

.lid {
  animation: lid-animation 3.5s 1s infinite;
  transform: translate3d(0, 0, 0);
  transform-style: preserve-3d;
  transition: transform 1s ease-out 3s;
}

@keyframes lid-animation {
  0% {
    transform: translate3d(0, 0, 0) rotateX(0);
  }
  5% {
    transform: translate3d(0, -10px, -5px) rotateX(5deg);
  }
  10% {
    transform: translate3d(0, -10px, 5px) rotateX(-5deg);
  }
  15% {
    transform: translate3d(0, -10px, -5px) rotateX(5deg);
  }
  20% {
    transform: translate3d(0, -10px, 5px) rotateX(-5deg);
  }
  25% {
    transform: translate3d(0, -10px, -5px) rotateX(5deg);
  }
  30% {
    transform: translate3d(0, 0, 0) rotateX(0);
  }
}
.lid-top,
.lid-left,
.lid-back,
.lid-right,
.lid-front {
  position: absolute;
  top: 0;
  left: -5px;
  width: 210px;
  background-color: #5f1a27;
  opacity: 1;
}

.lid-top {
  top: -5px;
  height: 210px;
  transform: translateY(-50%) rotateX(90deg);
  transform-style: preserve-3d;
}

.lid-left,
.lid-back,
.lid-right,
.lid-front {
  top: -5px;
  height: 40px;
  transform-style: preserve-3d;
}

.lid-left {
  transform: translateX(-50%) rotateY(-90deg);
}

.lid-back {
  transform: translateZ(-105px) rotateY(180deg);
}

.lid-right {
  transform: translateX(50%) rotateY(90deg);
}

.lid-front {
  transform: translateZ(105px);
}

.present:hover .lid {
  animation: none;
}

.present.open {
  cursor: default;
}
.present.open .gift {
  transform: translate3d(-50%, -50%, 100px) rotateY(360deg) rotateX(5deg) scale(1);
}
.present.open .wiggle-container {
  animation: none;
}
.present.open .left {
  transform: translateX(-50%) rotateY(-90deg) rotateX(-90deg);
}
.present.open .back {
  transform: translateZ(-100px) rotateY(180deg) rotateX(-90deg);
}
.present.open .right {
  transform: translateX(50%) rotateY(90deg) rotateX(-90deg);
}
.present.open .front {
  transform: translateZ(100px) rotateX(-90deg);
}
.present.open .lid {
  animation: none;
  transform: translate3d(0, -120px, -120px) rotateX(50deg);
}
.present.open .front,
.present.open .left,
.present.open .back,
.present.open .right,
.present.open .lid {
  transition: transform 0.5s ease-out;
}





.cb-slideshow,
.cb-slideshow:after { 
    position: fixed;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    top: 0px;
    left: 0px;
    z-index: 0; 
}
.cb-slideshow li span { 
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
  color: transparent;
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: none;
  opacity: 0;
  z-index: 0;
  animation: imageAnimation 36s linear infinite 0s; 
}

.cb-slideshow li:nth-child(1) span { 
  background-image: url(bg01.jpg) 
}
.cb-slideshow li:nth-child(2) span { 
  background-image: url(bg02.jpg);
  animation-delay: 6s; 
}
.cb-slideshow li:nth-child(3) span { 
  background-image: url(bg03.jpg);
  animation-delay: 12s; 
}
.cb-slideshow li:nth-child(4) span { 
  background-image: url(bg04.jpg);
  animation-delay: 18s; 
}
.cb-slideshow li:nth-child(5) span { 
  background-image: url(bg05.jpg);
  animation-delay: 24s; 
}
.cb-slideshow li:nth-child(2) div { 
  animation-delay: 6s; 
}
.cb-slideshow li:nth-child(3) div { 
  animation-delay: 12s; 
}
.cb-slideshow li:nth-child(4) div { 
  animation-delay: 18s; 
}
.cb-slideshow li:nth-child(5) div { 
  animation-delay: 24s; 
}

@keyframes imageAnimation { 
  0% { opacity: 0; animation-timing-function: ease-in; }
  8% { opacity: 1; animation-timing-function: ease-out; }
  17% { opacity: 1 }
  25% { opacity: 0 }
  100% { opacity: 0 }
}