.whats-app {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #29A71A;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
}
bi::before, [class^="bi-"]::before, [class*=" bi-"]::before {
    display: inline-block;
    font-family: bootstrap-icons !important;
    font-style: normal;
    font-weight: normal !important;
    font-variant: normal;
    text-transform: none;
    line-height: 2 !important;
    vertical-align: -0.125em;
    -webkit-font-smoothing: antialiased;
}