/*
.footer {
  &__back-to-top-btn {
    width: 56px;
    height: 56px;
    display: flex;
    position: fixed;
    right: 6rem;
    bottom: 0;
    border: none;
    border-top-right-radius: .2rem;
    border-top-left-radius: .2rem;
    background: #fff;
    color: #353b42;
    transition: all .2s ease-in-out;
    justify-content: center;
    padding: 0;
    z-index: 500;
    box-shadow: 0 .2rem .4rem 0 rgba(0,0,0,.15);

    &--hidden {
      display: none;
    }
  }
}
 */