.mouse-scroll {
  /* display: block; */
  margin: 0 auto;
  width: 24px;
  height: 100px;
  margin-top: 0;
  position: fixed;
  top: 420px;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 101;
  opacity: 0;
  transition: opacity 0.4s;
}

@media (max-width: 1000px) {
  .mouse-scroll {
    top: 300px;
  }
}


.m-scroll-arrows {
  display: block;
  transform: rotate(45deg);
  margin: 0 0 3px 4px;
  width: 16px;
  height: 16px;
}



.unu,
.doi,
.trei {
  animation: mouse-scroll 1s infinite;

}

.unu {
  margin-top: 1px;
  animation-direction: alternate;
  animation-delay: .1s;
}

.doi {
  animation-delay: .2s;
  animation-direction: alternate;
  margin-top: -6px;
}

.trei {
  animation-delay: .3s;
  animation-direction: alternate;
  margin-top: -6px;
}

.mouse {
  height: 42px;
  width: 24px;
  border-radius: 14px;
  transform: none;
  top: 170px;
}

.wheel {
  display: block;
  margin: 5px auto;
  position: relative;
  height: 4px;
  width: 4px;
  border-radius: 8px;
  animation: mouse-wheel 0.6s linear infinite;
}



@keyframes mouse-wheel {
  0% {
    top: 1px;
  }

  25% {
    top: 3px;
  }

  50% {
    top: 5px;
  }

  75% {
    top: 3px;
  }

  100% {
    top: 1px;
  }
}

@keyframes mouse-scroll {
  0% {
    opacity: 0;
  }

  50% {
    opacity: .5;
  }

  100% {
    opacity: 1;
  }
}