.loader {
  position: relative;
  border-style: solid;
  box-sizing: border-box;
  border-width: 40px 60px 30px 60px;
  border-color: #3760C9 #96DDFC #96DDFC #36BBF7;
  animation: envFloating 1s ease-in infinite alternate;
}

.loader:after {
  content: "";
  position: absolute;
  right: 62px;
  top: -40px;
  height: 70px;
  width: 50px;
  background-image: linear-gradient(#fff 45px, transparent 0),
            linear-gradient(#fff 45px, transparent 0),
            linear-gradient(#fff 45px, transparent 0);
  background-repeat: no-repeat;
  background-size: 30px 4px;
  background-position: 0px 11px , 8px 35px, 0px 60px;
  animation: envDropping 0.75s linear infinite;
}

@keyframes envFloating {
  0% {
    transform: translate(-2px, -5px)
  }

  100% {
    transform: translate(0, 5px)
  }
}

@keyframes envDropping {
  0% {
    background-position: 100px 11px , 115px 35px, 105px 60px;
    opacity: 1;
  }

  50% {
    background-position: 0px 11px , 20px 35px, 5px 60px;
  }

  60% {
    background-position: -30px 11px , 0px 35px, -10px 60px;
  }

  75%, 100% {
    background-position: -30px 11px , -30px 35px, -30px 60px;
    opacity: 0;
  }
}