.back-to-top {
  position: fixed;
  bottom: 5vh;
  left: 90vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  cursor: pointer;
  border-radius: 100%;
  background-color: #e4e4e4;
}

.back-to-top .text {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

.back-to-top .icon {
  display: block;
  width: 30px;
  height: 30px;
  background: url("../images/arrow.svg") no-repeat center;
}

.back-to-top:hover {
  transition: all 0.5s ease;
  opacity: 0.5;
}