ant-design/style/core/motion.less

.effect() {
  animation-duration: 0.24s;
  animation-fill-mode: both;
  display: block !important;
}

.motion(@className, @keyframeName) {
  .@{className}-enter {
    opacity: 0;
    .effect();
    animation-timing-function: cubic-bezier(0.18, 0.89, 0.32, 1.28);
    animation-play-state: paused;
  }
  .@{className}-leave {
    .effect();
    animation-timing-function: cubic-bezier(0.6, -0.3, 0.74, 0.05);
    animation-play-state: paused;
  }
  .@{className}-enter.@{className}-enter-active {
    animation-name: ~"@{keyframeName}In";
    animation-play-state: running;
  }
  .@{className}-leave.@{className}-leave-active {
    animation-name: ~"@{keyframeName}Out";
    animation-play-state: running;
  }
}

.motion(zoom,zoom);
.motion(zoom-up,zoomUp);
.motion(zoom-down,zoomDown);
.motion(zoom-left,zoomLeft);
.motion(zoom-right,zoomRight);

@keyframes zoomIn {
  0% {
    opacity: 0;
    transform-origin: 50% 50%;
    transform: scale(0, 0);
  }
  100% {
    opacity: 1;
    transform-origin: 50% 50%;
    transform: scale(1, 1);
  }
}
@keyframes zoomOut {
  0% {
    opacity: 1;
    transform-origin: 50% 50%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 50% 50%;
    transform: scale(0, 0);
  }
}

@keyframes zoomUpIn {
  0% {
    opacity: 0;
    transform-origin: 50% 0%;
    transform: scale(0, 0);
  }
  100% {
    opacity: 1;
    transform-origin: 50% 0%;
    transform: scale(1, 1);
  }
}

@keyframes zoomUpOut {
  0% {
    opacity: 1;
    transform-origin: 50% 0%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 50% 0%;
    transform: scale(0, 0);
  }
}

@keyframes zoomLeftIn {
  0% {
    opacity: 0;
    transform-origin: 0% 50%;
    transform: scale(0, 0);
  }
  100% {
    opacity: 1;
    transform-origin: 0% 50%;
    transform: scale(1, 1);
  }
}

@keyframes zoomLeftOut {
  0% {
    opacity: 1;
    transform-origin: 0% 50%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 0% 50%;
    transform: scale(0, 0);
  }
}

@keyframes zoomRightIn {
  0% {
    opacity: 0;
    transform-origin: 100% 50%;
    transform: scale(0, 0);
  }
  100% {
    opacity: 1;
    transform-origin: 100% 50%;
    transform: scale(1, 1);
  }
}

@keyframes zoomRightOut {
  0% {
    opacity: 1;
    transform-origin: 100% 50%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 100% 50%;
    transform: scale(0, 0);
  }
}

@keyframes zoomDownIn {
  0% {
    opacity: 0;
    transform-origin: 50% 100%;
    transform: scale(0, 0);
  }
  100% {
    opacity: 1;
    transform-origin: 50% 100%;
    transform: scale(1, 1);
  }
}

@keyframes zoomDownOut {
  0% {
    opacity: 1;
    transform-origin: 50% 100%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 50% 100%;
    transform: scale(0, 0);
  }
}

.slide-up-enter {
  .effect();
  transform-origin: 0 0;
  opacity: 0;
  animation-timing-function: cubic-bezier(0.08, 0.82, 0.17, 1);
  animation-play-state: paused;
}

.slide-up-leave {
  .effect();
  transform-origin: 0 0;
  opacity: 1;
  animation-timing-function: cubic-bezier(0.6, 0.04, 0.98, 0.34);
  animation-play-state: paused;
}

.slide-up-enter.slide-up-enter-active {
  animation-name: slideUpIn;
  animation-play-state: running;
}

.slide-up-leave.slide-up-leave-active {
  animation-name: slideUpOut;
  animation-play-state: running;
}

@keyframes slideUpIn {
  0% {
    opacity: 0;
    transform-origin: 0% 0%;
    transform: scaleY(0);
  }
  100% {
    opacity: 1;
    transform-origin: 0% 0%;
    transform: scaleY(1);
  }
}
@keyframes slideUpOut {
  0% {
    opacity: 1;
    transform-origin: 0% 0%;
    transform: scaleY(1);
  }
  100% {
    opacity: 0;
    transform-origin: 0% 0%;
    transform: scaleY(0);
  }
}

.fade-enter {
  opacity: 0;
  .effect();
  animation-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2);
  animation-play-state: paused;
}

.fade-leave {
  .effect();
  animation-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2);
  animation-play-state: paused;
}

.fade-enter.fade-enter-active {
  animation-name: fadeIn;
  animation-play-state: running;
}

.fade-leave.fade-leave-active {
  animation-name: fadeOut;
  animation-play-state: running;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes loadingCircle {
  0% {
    transform-origin: 50% 50%;
    transform: rotate(0deg);
  }
  100% {
    transform-origin: 50% 50%;
    transform: rotate(360deg);
  }
}