.toTopbtn{
  border-radius: 50%;
  width:45px;
  height:45px;
  background-color: #108d43;
  opacity:0.5;
  display:none;
  justify-content: center;
  align-items: center;
  color:white;
  font-size:30px;
  position:fixed;
  right:5%;
  top:85%;
  z-index:10000;
}

.toTopbtn:hover{
  opacity:1;
}

.toTopbtn img{
  object-fit: scale-down;
  width: 50%;
}


@media only screen and (min-width: 1080px) {
  .toTopbtn{
    right:10%;
    width:50px;
    height:50px;
    font-size:48px;
  }
}