.scroll-top{
    position: fixed;
    bottom: 1rem;
    right:1rem;
    height: 4rem;
    width: 4rem;
    font-size: 3rem;
    font-weight:lighter;
    background: var(--white);
    color: var(--white);
    border: 0.2rem solid;
    border-color: #579efa;
    border-radius: 50%;
    -webkit-transition: all 0.2s;
    -moz-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
    z-index: 999;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .scroll-top:hover{
    background: var(--white);
    color:var(--fafdff);
  }