/* Animation */
.parallax > use {
  animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}
.parallax > use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}
.parallax > use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}
.parallax > use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}
.parallax > use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}
@keyframes move-forever {
  0% {
   transform: translate3d(-90px,0,0);
  }
  100% { 
    transform: translate3d(85px,0,0);
  }
}



/* Gota */
.drop-container {
  position: relative;
  margin: 0 auto;
  isolation: isolate;
  z-index: 10;
}

.drop {  
  width: 100%;
  height: 100%;
  border-radius: 100% 5% 100% 100%;
  transform: rotate(-45deg);
  background: deepskyblue;
  animation: drip 4s infinite;
  z-index: 1;
  margin-top: 0px;
}

/* Ondas expansivas */
.drop-container::before,
.drop-container::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: 55%;
  left: 50%;
  transform: translate(-50%) rotateX(75deg);
  border-radius: 100%;
  opacity: 0;
  width: 75%;
  height: 75%;
  border: 5px solid skyblue;
  animation: dripple 4s ease-out infinite;
  margin-top: 0px;
  max-width: 400px !important;
}

.drop-container::after {
  animation-delay: 1.7s;
}

/* Animaciones */
@keyframes drip {
  45% {
    top: 0;
    border-radius: 100% 5% 100% 100%;
    transform: rotate(-45deg);
  }
  100% {
    top: 0;
    transform: rotate(0deg);
    border-radius: 100%;
  }
}

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

@keyframes dripple {
  0% {
    width: 150px;
    height: 150px;
  }
  25% {
    opacity: 1;
  }
  100% {
    width: 500px;
    height: 500px;
    top: -20%;
    opacity: 0;
  }
}