.float {
    position: fixed;
    width: 60px;
    height: 60px;
    right: 15px;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
  }

.float:focus , .float:hover{
    color: #fff !important;
    opacity: 0.7;
}
.float:visited {
    color: #fff !important;
    opacity: 0.9;
}
  
.float-wa {
    bottom: 100px;
    background-color: #25d366;
    justify-content: center;
    align-items: center;
    display: flex;
  }