html {
    scroll-behavior: smooth;
  }

  .top {
    position: fixed;
    display: block;
    visibility: hidden;
    transition: all 0.2s ease-in-out;
    width: 50px;
    height: 50px;
    border-radius: 3px;
    bottom: 50px;
    right: 50px;
    z-index: 10;
}

.tomato {
    color: tomato;
}

.mark {
    background: rgba(247, 224, 24, 0.3);
    padding: 0 3px;
  }