#backtotop {
    background: rgb(0,40,81) url(../assets/svg/arrow-up.svg) no-repeat center 9px;
    border-radius: 100%;
    background-size: 30px;
    border: 0;
    bottom: 20px;
    cursor: pointer;
    display: none;
    height: 70px;
    font-size: 14px;
    position: fixed;
    right: 20px;
    width: 70px;
    padding-top: 20px;
    z-index: 300;
    font-weight: bold;
    color: #fff;
  }
  
  #backtotop:hover {
    opacity: 0.8;
  }
  
  #backtotop:focus {
    opacity: 0.8;
  }
  
  @media screen and (max-width: 767px) {
    #backtotop {
        background-position: center center;
    }
  }