@-webkit-keyframes wave {
  0% {
    -webkit-transform: rotate(1deg);
    transform: rotate(1deg);
  }
  100% {
    -webkit-transform: rotate(-1deg);
    transform: rotate(-1deg);
  }
}
@keyframes wave {
  0% {
    -webkit-transform: rotate(1deg);
    transform: rotate(1deg);
  }
  100% {
    -webkit-transform: rotate(-1deg);
    transform: rotate(-1deg);
  }
}
.wave {
  -webkit-animation: wave 2s ease-in-out infinite alternate both;
  animation: wave 2s ease-in-out infinite alternate both;
}
@-webkit-keyframes slide_up_down {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px);
  }
}
@keyframes slide_up_down {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px);
  }
}
.slide_up_down {
  -webkit-animation: slide_up_down 1.7s ease-in-out infinite alternate both;
  animation: slide_up_down 1.7s ease-in-out infinite alternate both;
}
@-webkit-keyframes rotate-center {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes rotate-center {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
.rotate-center {
  -webkit-animation: rotate-center 100s linear infinite both;
  animation: rotate-center 100s linear infinite both;
}