:root {
  --perspective: 2000px;
  --distance: 100px;
  --duration: 1.5s;
  --mask-color: black;
}
.wow.animated {
  opacity: 1;
  animation-delay: 0s;
  animation-duration: var(--duration);
  animation-fill-mode: both;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
.wow.mask {
  mask-image: linear-gradient(black 0%, black 100%);
  mask-repeat: no-repeat;
  mask-size: 0% 100%;
  mask-position: left;
}
.wow.mask.animated {
  animation-name: mask;
}
@keyframes mask {
  100% {
    mask-size: 100% 100%;
  }
}
.wow.mask.right {
  mask-position: right;
}
.wow.mask.center {
  mask-position: center;
}
.wow.mask.top {
  mask-size: 100% 0%;
  mask-position: top;
}
.wow.mask.middle {
  mask-size: 100% 0%;
  mask-position: center;
}
.wow.mask.bottom {
  mask-size: 100% 0%;
  mask-position: bottom;
}
.wow.fade {
  opacity: 0;
}
.wow.fade.animated {
  animation-name: fade;
}
@keyframes fade {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.wow.fade.up.animated {
  animation-name: up;
}
@keyframes up {
  0% {
    opacity: 0;
    transform: translate3d(0, var(--distance), 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
.wow.fade.down.animated {
  animation-name: down;
}
@keyframes down {
  0% {
    opacity: 0;
    transform: translate3d(0, calc(-1 * var(--distance)), 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
.wow.fade.left.animated {
  animation-name: left;
}
@keyframes left {
  0% {
    opacity: 0;
    transform: translate3d(calc(-1 * var(--distance)), 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
.wow.fade.right.animated {
  animation-name: right;
}
@keyframes right {
  0% {
    opacity: 0;
    transform: translate3d(var(--distance), 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
.wow.blur {
  opacity: 0;
}
.wow.blur.animated {
  animation-name: blur;
}
@keyframes blur {
  0% {
    filter: blur(25px);
  }
  100% {
    opacity: 1;
  }
}
.wow.flip {
  opacity: 0;
}
.wow.flip.animated {
  animation-name: flipX;
}
@keyframes flipX {
  0% {
    transform: perspective(var(--perspective)) rotate3d(1, 0, 0, 90deg);
  }
  100% {
    opacity: 1;
  }
}
.wow.flip.y.animated {
  animation-name: flipY;
}
@keyframes flipY {
  0% {
    transform: perspective(var(--perspective)) rotate3d(0, 1, 0, 90deg);
  }
  100% {
    opacity: 1;
  }
}
.wow.mask2 {
  mask-image: linear-gradient(var(--mask-color) 0%, var(--mask-color) 100%);
  mask-repeat: no-repeat;
  mask-size: 0% 100%;
  mask-position: left;
}
.wow.mask2::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: right top;
}
.wow.mask2.animated {
  animation-name: mask2;
}
@keyframes mask2 {
  33% {
    mask-size: 100% 100%;
  }
  100% {
    mask-size: 100% 100%;
  }
}
.wow.mask2.animated::after {
  transform-origin: right top;
  animation-name: mask2-afterX;
  animation-delay: 0s;
  animation-duration: var(--duration);
  animation-fill-mode: both;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes mask2-afterX {
  33% {
    transform: scaleX(1);
  }
  66% {
    transform: scaleX(0);
  }
  100% {
    transform: scaleX(0);
  }
}
.wow.mask2.right {
  mask-position: right;
}
.wow.mask2.right.animated::after {
  transform-origin: left top;
}
.wow.mask2.top {
  mask-position: top;
  mask-size: 100% 0%;
}
.wow.mask2.top.animated::after {
  animation-name: mask2-afterY;
  transform-origin: left bottom;
}
@keyframes mask2-afterY {
  33% {
    transform: scaleY(1);
  }
  66% {
    transform: scaleY(0);
  }
  100% {
    transform: scaleY(0);
  }
}
.wow.mask2.bottom {
  mask-position: bottom;
  mask-size: 100% 0%;
}
.wow.mask2.bottom.animated::after {
  animation-name: mask2-afterY;
  transform-origin: left top;
}
.wow.mask2.center {
  mask-position: center;
  mask-size: 0% 100%;
}
.wow.mask2.center.animated::after {
  animation-name: mask2-afterX;
  transform-origin: center center;
}
.wow.mask2.middle {
  mask-position: center;
  mask-size: 100% 0%;
}
.wow.mask2.middle.animated::after {
  animation-name: mask2-afterY;
  transform-origin: left center;
}