.my-scroll-up {
  align-items: center;
  background-color: rgba(0, 0, 0, 0.658);
  border: rgba(0, 0, 0, 0.658);
  border-radius: 100px;
  bottom: 100px;
  color: white;
  cursor: pointer;
  display: flex;
  height: 55px;
  justify-content: center;
  position: fixed;
  right: 10px;
  width: 55px;
  z-index: 99;
}

.my-scroll-up::after {
  border: 2px solid white;
  border-radius: 10px;
  content: '';
  display: block;
  height: 25px;
  margin: 0 auto;
  width: 10px;
}

.my-scroll-up::before {
  animation: 2s top infinite;
  border: 1px solid white;
  border-radius: 10px;
  content: '';
  display: block;
  height: 10px;
  left: 49%;
  position: absolute;
  width: 0;
}

@keyframes top {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 450px) {
  .vue-scroll-up {
    bottom: 10px;
    transform: translateX(5px) scale(0.7);
  }
}