@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@-webkit-keyframes slideFadeIn {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 300px;
  }
}
@keyframes slideFadeIn {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 300px;
  }
}

@-webkit-keyframes slideDown {
  from {
    max-height: 0;
  }
  to {
    max-height: 4000px;
  }
}
@keyframes slideDown {
  from {
    max-height: 0;
  }
  to {
    max-height: 4000px;
  }
}

/* loading */
@keyframes lds-ripple {
  0% {
    top: 88px;
    left: 88px;
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: 4px;
    left: 4px;
    width: 168px;
    height: 168px;
    opacity: 0;
  }
}

@-webkit-keyframes lds-ripple {
  0% {
    top: 88px;
    left: 88px;
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: 4px;
    left: 4px;
    width: 168px;
    height: 168px;
    opacity: 0;
  }
}

.lds-ripple {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 10000;
}
.lds-ripple span {
  display: inline-block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
}
.lds-ripple span:before,
.lds-ripple span:after {
  content: "";
  box-sizing: content-box;
  position: absolute;
  border-width: 12px;
  border-style: solid;
  opacity: 1;
  border-radius: 50%;
  -webkit-animation: lds-ripple 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
  animation: lds-ripple 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple span:before {
  border-color: #ffffff;
}
.lds-ripple span:after {
  border-color: #ffffff;
  -webkit-animation-delay: -1s;
  animation-delay: -1s;
}