#container {
    position: fixed;
    top: 140px;
    left: 0px;
    padding: 0px;
    list-style: none;
    z-index: 100;
  }
  
  #container li a {
    display: block;
    text-decoration: none;
    color: white;
  }
  
  #container li a i {
    display: block;
    max-width: 50px;
    padding: 10px;
    transition: all 0.2 ease-in-out;
  }
  
  #container li a:hover i {
    background: rgba(0, 0, 0, 0.2);
  }
  .float{
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 100px;
    right: 40px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    padding-top: 16px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    
  
  }