.fix-nav {
  position: fixed;
  top: 50%;
  right: 0;
  min-width: 100px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 5px;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  text-align: center;
  line-height: 40px;
  z-index: 10000;
  cursor: pointer;
  .anchor-item {
    transition: all 0.2s ease-in-out;
    &.active {
      color: #ff3a42;
      font-size: 15px;
    }
    &.blueActive {
      color: blue;
      font-size: 15px;
    }
  }
}