/* 晴天（sun） */
.sun{
  position: absolute;
  top: 50%;left: 50%;
  /* width:200px;height:260px; */
  transform: translate(-50%, -50%);
  text-align:center;
  font-size:200%;
  color:#fff;
  /* background:#0BF; */
  border-radius:5px;
}
.sun:before{
  content:"";
  position: absolute;
  width: 80px;height: 80px;
  left: 50%;top: 50%;
  transform: translate(-50%, -50%);
  border-radius:50%;
  background:rgba(255, 238, 68, 1);
  box-shadow: 0 0 0 15px rgba(255,255,0,0.2),0 0 15px #fff;
  z-index:-10;
}
.sun:after{
  content:"";
  position: absolute;
  top: 50%;left: 50%;
  height: 160px;
  width: 160px;
  transform: translate(-50%, -50%) rotate(30deg);
  z-index:-100;
  background-image:
  -webkit-linear-gradient(top,rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%),
  -webkit-linear-gradient(left,rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%);
  background-size: 20px 100%, 100% 20px;
  background-repeat: no-repeat;
  background-position: center center, center center;
  animation:sunRotate 10s linear infinite;
}
@keyframes sunRotate{
  0%{
    transform: translate(-50%, -50%) rotate(30deg);
  }
  100%{
    transform: translate(-50%, -50%) rotate(390deg);
  }
}


/* 多云 cloudy */

.cloudy {
   position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 200%;
  color: #fff;
  border-radius: 5px;
}

.cloudy:before {
  content: "";
  text-indent: 23px;
  font-size: 22px;
  line-height: 40px;
  color: #333;
  position: absolute;
  height: 50px;
  width: 50px;
  background: #FFFFFF;
  left: 30%;
  top: 55%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 100;
  box-shadow:
    #FFFFFF 65px -15px 0 -5px,
    #FFFFFF 25px -25px,
    #FFFFFF 30px 10px,
    #FFFFFF 60px 15px 0 -10px,
    #FFFFFF 85px 5px 0 -5px;
  animation: cloudy 5s ease-in-out infinite;
}

.cloudy:after {
  content: "";
  position: absolute;
  top: 45%;
  left: 63%;
  height: 60px;
  width: 60px;
  z-index: 10;
  background: linear-gradient(180deg, #FE9F38 0%, #F46635 100%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px 4px #FFA563;
  animation: cloudy 10s ease-in-out infinite;
}

@keyframes cloudy {
  50% {
    transform: translate(-50%, -70%);
  }

  100% {
    transform: translate(-50%, -50%);
  }
}

/* 雨（rainy） */


.rainy {
  position: absolute;
  width: 3px;
  height: 6px;
  top: 30%;
  left: 50%;
  background: #CCCCCC;
  border-radius: 50%;
  animation: rainy_rain .7s infinite linear;
}

.rainy:before {
  content: "";
  color: #333;
  position: absolute;
  height: 50px;
  width: 50px;
  top: 41px;
  left: -40px;
  background: #CCC;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: #CCC 65px -15px 0 -5px, #CCC 25px -25px, #CCC 30px 10px, #CCC 60px 15px 0 -10px, #CCC 85px 5px 0 -5px;
  animation: cloudy 5s ease-in-out infinite;
}

.rainy:after {
  content: "";
  position: absolute;
  top: 100px;
  left: 50%;
  height: 15px;
  width: 120px;
  background: rgba(0, 0, 0, .5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: cloudy_shadow 5s ease-in-out infinite;
}

@keyframes cloudy {
  50% {
    transform: translate(-50%, -70%);
  }

  100% {
    transform: translate(-50%, -50%);
  }
}

@keyframes cloudy_shadow {
  50% {
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(0, 0, 0, .2);
  }

  100% {
    transform: translate(-50%, -50%) scale(1);
    background: rgba(0, 0, 0, .5);
  }
}

@keyframes rainy_rain {
  0% {
    box-shadow: rgba(0, 0, 0, 0) -10px 30px, rgba(0, 0, 0, 0) 40px 40px, rgba(0, 0, 0, .3) -50px 75px, rgba(0, 0, 0, .3) 55px 50px, rgba(0, 0, 0, .3) -18px 100px, rgba(0, 0, 0, .3) 12px 95px, rgba(0, 0, 0, .3) -31px 45px, rgba(0, 0, 0, .3) 30px 35px;
  }

  25% {
    box-shadow: rgba(0, 0, 0, .3) -10px 45px, rgba(0, 0, 0, .3) 40px 60px, rgba(0, 0, 0, .3) -50px 90px, rgba(0, 0, 0, .3) 55px 65px, rgba(0, 0, 0, 0) -18px 120px, rgba(0, 0, 0, 0) 12px 120px, rgba(0, 0, 0, .3) -31px 70px, rgba(0, 0, 0, .3) 30px 60px;
  }

  26% {
    box-shadow: rgba(0, 0, 0, .3) -10px 45px, rgba(0, 0, 0, .3) 40px 60px, rgba(0, 0, 0, .3) -50px 90px, rgba(0, 0, 0, .3) 55px 65px, rgba(0, 0, 0, 0) -18px 40px, rgba(0, 0, 0, 0) 12px 20px, rgba(0, 0, 0, .3) -31px 70px, rgba(0, 0, 0, .3) 30px 60px;
  }

  50% {
    box-shadow: rgba(0, 0, 0, .3) -10px 70px, rgba(0, 0, 0, .3) 40px 80px, rgba(0, 0, 0, 0) -50px 100px, rgba(0, 0, 0, .3) 55px 80px, rgba(0, 0, 0, .3) -18px 60px, rgba(0, 0, 0, .3) 12px 45px, rgba(0, 0, 0, .3) -31px 95px, rgba(0, 0, 0, .3) 30px 85px;
  }

  51% {
    box-shadow: rgba(0, 0, 0, .3) -10px 70px, rgba(0, 0, 0, .3) 40px 80px, rgba(0, 0, 0, 0) -50px 45px, rgba(0, 0, 0, .3) 55px 80px, rgba(0, 0, 0, .3) -18px 60px, rgba(0, 0, 0, .3) 12px 45px, rgba(0, 0, 0, .3) -31px 95px, rgba(0, 0, 0, .3) 30px 85px;
  }

  75% {
    box-shadow: rgba(0, 0, 0, .3) -10px 95px, rgba(0, 0, 0, .3) 40px 100px, rgba(0, 0, 0, .3) -50px 60px, rgba(0, 0, 0, 0) 55px 95px, rgba(0, 0, 0, .3) -18px 80px, rgba(0, 0, 0, .3) 12px 70px, rgba(0, 0, 0, 0) -31px 120px, rgba(0, 0, 0, 0) 30px 110px;
  }

  76% {
    box-shadow: rgba(0, 0, 0, .3) -10px 95px, rgba(0, 0, 0, .3) 40px 100px, rgba(0, 0, 0, .3) -50px 60px, rgba(0, 0, 0, 0) 55px 35px, rgba(0, 0, 0, .3) -18px 80px, rgba(0, 0, 0, .3) 12px 70px, rgba(0, 0, 0, 0) -31px 25px, rgba(0, 0, 0, 0) 30px 15px;
  }

  100% {
    box-shadow: rgba(0, 0, 0, 0) -10px 120px, rgba(0, 0, 0, 0) 40px 120px, rgba(0, 0, 0, .3) -50px 75px, rgba(0, 0, 0, .3) 55px 50px, rgba(0, 0, 0, .3) -18px 100px, rgba(0, 0, 0, .3) 12px 95px, rgba(0, 0, 0, .3) -31px 45px, rgba(0, 0, 0, .3) 30px 35px;
  }
}

/* 微风（breeze） */
.breeze{
  position:absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(1deg);
  border-bottom:60px solid #fff;
  border-left:5px solid transparent;
  border-right:5px solid transparent;
  animation: windmill 12s infinite linear;
  transform-origin:50.5% 62px;
}
.breeze:before{
  position:absolute;
  top: 75px;left: -59px;
  content:"";
  border-right:60px solid #fff;
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  transform:rotate(-30deg);
}
.breeze:after{
  position:absolute;
  top: 75px;left: -1px;
  content:"";
  border-left:60px solid #fff;
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  transform:rotate(30deg);
}
@keyframes windmill{
  0%{
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100%{
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 彩虹（rainbow） */
.rainbow-container{
  transform: translate(-44%, -50%);
  text-align:center;
  font-size:200%;
  color:#fff;
  border-radius:5px;
}
.rainbow{
  position:absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 1px;width: 1px;
}
.rainbow:before{
  content:"";
  position:absolute;
  top: 50%;left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  height: 70px;width: 70px;
  border-radius: 100px 0 0 0;
  box-shadow:
    #F44336 -2px -2px 0 1px,
    #FF9800 -4px -4px 0 3px,
    #FFEB3B -6px -6px 0 5px,
    #8BC34A -8px -8px 0 7px,
    #00BCD4 -10px -10px 0 9px,
    #2196F3 -12px -12px 0 11px,
    #9C27B0 -14px -14px 0 13px;
  animation: rainbow 5s ease-in-out infinite;
}
.rainbow:after{
  content: "";
  position: absolute;
  top: 40px;
  left: 50%;
  height: 15px;
  width: 120px;
  background: rgba(0, 0, 0, .5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: cloudy_shadow 5s ease-in-out infinite;
}
@keyframes rainbow {
  50% {
    transform: translate(-50%, -55%) rotate(30deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(45deg);
  }
}
@keyframes cloudy_shadow {
  50% {
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(0, 0, 0, .2);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    background: rgba(0, 0, 0, .5);
  }
}

/* 夜空璀璨（starry） */
.starry{
  position:absolute;
  top: 22%;left: 40%;
  transform: translate(-50%, -50%);
  height: 4px;width: 4px;
  border-radius:50%;
  box-shadow:
    #FFFFFF -26px 77px 0 -1px,
    rgba(255,255,255,0.1) -36px 59px 0 -1px,
    rgba(255,255,255,0.1) -28px 89px 0 -1px,
    #FFFFFF -35px 20px 0 -1px,
    #FFFFFF 14px 100px,
    rgba(255,255,255,0.1) 41px 60px,
    #FFFFFF 34px 39px,
    rgba(255,255,255,0.1) 14px 45px 0 -1px,
    #FFFFFF 64px 12px 0 -1px,
    rgba(255,255,255,0.1) 32px 96px 0 -1px,
    #FFFFFF 64px 71px,
    rgba(255,255,255,0.1) 60px 18px 0 -1px,
    #FFFFFF 34px 9px,
    rgba(255,255,255,0.1) -26px 55px 0 -1px;
  animation: starry_star 5s ease-in-out infinite;
}
.starry:before{
  content:"";
  position:absolute;
  top: 20%;left: 50%;
  width:100px;height:100px;
  box-shadow: #FFFFFF -25px 0;
  transform: rotate(-5deg);
  border-radius: 50%;
  animation: starry 5s ease-in-out infinite;
}
@keyframes starry {
  50% {
    transform: rotate(10deg);
  }
}
@keyframes starry_star{
  50%{
    box-shadow:
      rgba(255,255,255,0.1) -26px 77px 0 -1px,
      #FFF -36px 59px 0 -1px,
      #FFF -28px 89px 0 -1px,
      rgba(255,255,255,0.1) -35px 20px 0 -1px,
      rgba(255,255,255,0.1) 14px 100px,
      #FFF 41px 60px,
      rgba(255,255,255,0.1) 34px 39px,
      #FFF 14px 45px 0 -1px,
      rgba(255,255,255,0.1) 64px 12px 0 -1px,
      #FFF 32px 96px 0 -1px,
      rgba(255,255,255,0.1) 64px 71px,
      #FFF 60px 18px 0 -1px,
      rgba(255,255,255,0.1) 34px 9px,
      #FFF -26px 55px 0 -1px;
    }
}
/* 雷电（thunder） */
.thunder {
  color: #333;
  position: absolute;
  height: 50px;
  width: 50px;
  top: 45%;
  left: 30%;
  background: #222;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow:
    #222 65px -15px 0 -5px,
    #222 25px -25px,
    #222 30px 10px,
    #222 60px 15px 0 -10px,
    #222 85px 5px 0 -5px;
  animation: cloudy 5s ease-in-out infinite;
}
.thunder:before {
  content: "";
  position: absolute;
  top: 41px;
  left: 60px;
  border-left: 0px solid transparent;
  border-right: 8px solid transparent;
  border-top: 38px solid yellow;
  box-shadow: yellow -7px -32px;
  transform:rotate(30deg);
  transform-origin:center -50px;
  animation:stormy_thunder 2s steps(1, end) infinite;;
}
.thunder:after {
  content: "";
  position: absolute;
  top: 90px;
  left: 64px;
  height: 15px;
  width: 120px;
  background: rgba(0, 0, 0, .5);
  border-radius: 50%;
  z-index:-1;
  transform: translate(-50%, -50%);
  animation: cloudy_shadow 5s ease-in-out infinite;
}
@keyframes cloudy {
  50% {
    transform: translate(-50%, -30px);
  }
}
@keyframes cloudy_shadow {
  50% {
    transform: translate(-50%, 0) scale(0.8);
    background: rgba(0, 0, 0, .2);
  }
}
@keyframes stormy_thunder{
  0%  {  transform: rotate(30deg); opacity:1; }
  5%  {  transform: rotate(-34deg); opacity:1; }
  10% {  transform: rotate(0deg); opacity:1; }
  15% {  transform: rotate(-34deg); opacity:0; }
}
/* 雪（snowy） */
.snowy-container {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 260px;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 200%;
  color: #fff;
  background: #607D8B;
  border-radius: 5px;
}
.snowy {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius:50%;
  top: 30%;
  left: 50%;
  background: #fff;
  border-radius: 50%;
  animation: snowy_rain 2s infinite linear;
}
.snowy:before {
  content: "";
  color: #333;
  position: absolute;
  height: 50px;
  width: 50px;
  top: 30px;
  left: -40px;
  background: #eee;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow:
    #eee 65px -15px 0 -5px,
    #eee 25px -25px,
    #eee 30px 10px,
    #eee 60px 15px 0 -10px,
    #eee 85px 5px 0 -5px;
  animation: cloudy 5s ease-in-out infinite;
}
.snowy:after {
  content: "";
  position: absolute;
  top: 95px;
  left: 50%;
  height: 15px;
  width: 120px;
  background: rgba(0, 0, 0, .5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: cloudy_shadow 5s ease-in-out infinite;
}
@keyframes cloudy {
  50% {
    transform: translate(-50%, -70%);
  }
  100% {
    transform: translate(-50%, -50%);
  }
}
@keyframes cloudy_shadow {
  50% {
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(0, 0, 0, .2);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    background: rgba(0, 0, 0, .5);
  }
}
@keyframes snowy_rain {
  0% {
    box-shadow:
      rgba(255, 255, 255, 0) -10px 30px,
      rgba(255, 255, 255, 0) 40px 40px,
      rgba(255, 255, 255, .6) -50px 75px,
      rgba(255, 255, 255, .6) 55px 50px,
      rgba(255, 255, 255, .6) -18px 100px,
      rgba(255, 255, 255, .6) 12px 95px,
      rgba(255, 255, 255, .6) -31px 45px,
      rgba(255, 255, 255, .6) 30px 35px;
  }
  25% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 45px,
      rgba(255, 255, 255, .6) 40px 60px,
      rgba(255, 255, 255, .6) -50px 90px,
      rgba(255, 255, 255, .6) 55px 65px,
      rgba(255, 255, 255, 0) -18px 120px,
      rgba(255, 255, 255, 0) 12px 120px,
      rgba(255, 255, 255, .6) -31px 70px,
      rgba(255, 255, 255, .6) 30px 60px;
  }
  26% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 45px,
      rgba(255, 255, 255, .6) 40px 60px,
      rgba(255, 255, 255, .6) -50px 90px,
      rgba(255, 255, 255, .6) 55px 65px,
      rgba(255, 255, 255, 0) -18px 40px,
      rgba(255, 255, 255, 0) 12px 20px,
      rgba(255, 255, 255, .6) -31px 70px,
      rgba(255, 255, 255, .6) 30px 60px;
  }
  50% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 70px,
      rgba(255, 255, 255, .6) 40px 80px,
      rgba(255, 255, 255, 0) -50px 100px,
      rgba(255, 255, 255, .6) 55px 80px,
      rgba(255, 255, 255, .6) -18px 60px,
      rgba(255, 255, 255, .6) 12px 45px,
      rgba(255, 255, 255, .6) -31px 95px,
      rgba(255, 255, 255, .6) 30px 85px;
  }
  51% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 70px,
      rgba(255, 255, 255, .6) 40px 80px,
      rgba(255, 255, 255, 0) -50px 45px,
      rgba(255, 255, 255, .6) 55px 80px,
      rgba(255, 255, 255, .6) -18px 60px,
      rgba(255, 255, 255, .6) 12px 45px,
      rgba(255, 255, 255, .6) -31px 95px,
      rgba(255, 255, 255, .6) 30px 85px;
  }
  75% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 95px,
      rgba(255, 255, 255, .6) 40px 100px,
      rgba(255, 255, 255, .6) -50px 60px,
      rgba(255, 255, 255, 0) 55px 95px,
      rgba(255, 255, 255, .6) -18px 80px,
      rgba(255, 255, 255, .6) 12px 70px,
      rgba(255, 255, 255, 0) -31px 120px,
      rgba(255, 255, 255, 0) 30px 110px;
  }
  76% {
    box-shadow:
      rgba(255, 255, 255, .6) -10px 95px,
      rgba(255, 255, 255, .6) 40px 100px,
      rgba(255, 255, 255, .6) -50px 60px,
      rgba(255, 255, 255, 0) 55px 35px,
      rgba(255, 255, 255, .6) -18px 80px,
      rgba(255, 255, 255, .6) 12px 70px,
      rgba(255, 255, 255, 0) -31px 25px,
      rgba(255, 255, 255, 0) 30px 15px;
  }
  100% {
    box-shadow:
      rgba(255, 255, 255, 0) -10px 120px,
      rgba(255, 255, 255, 0) 40px 120px,
      rgba(255, 255, 255, .6) -50px 75px,
      rgba(255, 255, 255, .6) 55px 50px,
      rgba(255, 255, 255, .6) -18px 100px,
      rgba(255, 255, 255, .6) 12px 95px,
      rgba(255, 255, 255, .6) -31px 45px,
      rgba(255, 255, 255, .6) 30px 35px;
  }
}