.firsttag {
    visibility: hidden;
  }
  
  
  @media (max-width: 428px) {
    .bobo {
      display: none;
    }
  }
  .container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
  }
  .toggle-btn {
    width: 40px;
    height: 25px;
    background-color: gray;
    border-radius: 15px;
    padding: 5px;
    transition: all .3s ease-in-out;
  }
  .toggle-btn > .inner-circle {
    width: 15px;
    height: 15px;
    background-color: #fff;
    border-radius: 50%;
    transition: all 300ms ease-in-out;
  }
  .toggle-btn.active {
    background-color: #aa2bf3;
  }
  .toggle-btn.active > .inner-circle {
    margin-left: 17px;
  }