html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

html, body {
  height: 100%;
}

body {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background: #d6c18b;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-perspective-origin: 50% 50%;
          perspective-origin: 50% 50%;
  -webkit-perspective: 800px;
          perspective: 800px;
}

.butterfly {
  -webkit-animation: hover 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
          animation: hover 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
  -webkit-animation-fill-mode: reverse;
          animation-fill-mode: reverse;
  position: relative;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateY(0px);
          transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateY(0px);
  width: 30px;
}
.butterfly::before {
  background: #362c13;
  border-radius: 50%;
  content: '';
  display: block;
  height: 110px;
  left: 50%;
  margin-left: -10px;
  outline: 1px solid transparent;
  position: absolute;
  top: -15px;
  -webkit-transform: rotatey(100deg);
          transform: rotatey(100deg);
  width: 20px;
  z-index: 2;
}

.shadow {
  -webkit-animation: shadow 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
          animation: shadow 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
  -webkit-animation-fill-mode: reverse;
          animation-fill-mode: reverse;
  background: #000;
  border-radius: 50%;
  display: block;
  height: 10px;
  opacity: 0.1;
  -webkit-transform-origin: 50% 50%;
          transform-origin: 50% 50%;
  -webkit-transform: translateX(-40px) translateY(100px);
          transform: translateX(-40px) translateY(100px);
  width: 100px;
}

.wing {
  background: #888;
  display: block;
  opacity: 0.7;
  outline: 1px solid transparent;
  position: absolute;
  top: 0;
}
.wing:first-child {
  -webkit-animation: leftflap 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
          animation: leftflap 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
  -webkit-animation-fill-mode: reverse;
          animation-fill-mode: reverse;
  height: 1px;
  left: 0;
  -webkit-transform: rotateY(-20deg);
          transform: rotateY(-20deg);
  -webkit-transform-origin: 700% 50%;
          transform-origin: 700% 50%;
  width: 1px;
  z-index: 3;
}
.wing:last-child {
  -webkit-animation: rightflap 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
          animation: rightflap 250ms cubic-bezier(0.48, 0.01, 0.54, 1) infinite;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
  -webkit-animation-fill-mode: reverse;
          animation-fill-mode: reverse;
  right: 0;
  -webkit-transform: rotateY(200deg);
          transform: rotateY(200deg);
  z-index: 1;
}
.wing .bit {
  background: dodgerblue;
}
.wing .bit::after {
  background: #51a9ff;
}
.wing .bit, .wing .bit::after {
  border-radius: 50%;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 0;
  -webkit-transform-origin: 100% 50%;
          transform-origin: 100% 50%;
}
.wing .bit:first-child {
  height: 70px;
  text-align: center;
  top: 15px;
  -webkit-transform: rotateZ(40deg);
          transform: rotateZ(40deg);
  width: 130px;
}
.wing .bit:first-child::after {
  content: '';
  display: inline-block;
  height: 60px;
  left: -30px;
  top: 5px;
  width: 100px;
}
.wing .bit:last-child {
  height: 55px;
  -webkit-transform: rotateZ(-40deg);
          transform: rotateZ(-40deg);
  width: 100px;
}
.wing .bit:last-child::after {
  content: '';
  display: inline-block;
  height: 45px;
  left: -24px;
  top: 5px;
  width: 60px;
  z-index: 1;
}

@-webkit-keyframes hover {
  0% {
    -webkit-transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(0px);
            transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(0px);
  }
  100% {
    -webkit-transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(-3px);
            transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(-3px);
  }
}

@keyframes hover {
  0% {
    -webkit-transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(0px);
            transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(0px);
  }
  100% {
    -webkit-transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(-3px);
            transform: rotateX(50deg) rotateY(20deg) rotateZ(-50deg) translateZ(-3px);
  }
}
@-webkit-keyframes shadow {
  0% {
    -webkit-transform: translateX(-40px) translateY(100px) scale(1, 1);
            transform: translateX(-40px) translateY(100px) scale(1, 1);
  }
  100% {
    -webkit-transform: translateX(-40px) translateY(100px) scale(1.1, 1.1);
            transform: translateX(-40px) translateY(100px) scale(1.1, 1.1);
  }
}
@keyframes shadow {
  0% {
    -webkit-transform: translateX(-40px) translateY(100px) scale(1, 1);
            transform: translateX(-40px) translateY(100px) scale(1, 1);
  }
  100% {
    -webkit-transform: translateX(-40px) translateY(100px) scale(1.1, 1.1);
            transform: translateX(-40px) translateY(100px) scale(1.1, 1.1);
  }
}
@-webkit-keyframes leftflap {
  0% {
    -webkit-transform: rotateY(-20deg);
            transform: rotateY(-20deg);
  }
  100% {
    -webkit-transform: rotateY(90deg);
            transform: rotateY(90deg);
  }
}
@keyframes leftflap {
  0% {
    -webkit-transform: rotateY(-20deg);
            transform: rotateY(-20deg);
  }
  100% {
    -webkit-transform: rotateY(90deg);
            transform: rotateY(90deg);
  }
}
@-webkit-keyframes rightflap {
  0% {
    -webkit-transform: rotateY(200deg);
            transform: rotateY(200deg);
  }
  100% {
    -webkit-transform: rotateY(90deg);
            transform: rotateY(90deg);
  }
}
@keyframes rightflap {
  0% {
    -webkit-transform: rotateY(200deg);
            transform: rotateY(200deg);
  }
  100% {
    -webkit-transform: rotateY(90deg);
            transform: rotateY(90deg);
  }
}
.twitter {
  background: #4099FF;
  border-radius: 5px;
  bottom: 5px;
  color: #fff;
  font-family: sans-serif;
  font-size: 13px;
  padding: 5px 10px;
  position: absolute;
  right: 5px;
  text-decoration: none;
}
.twitter:hover {
  background: #4fa1ff;
}