#whatsappchat a {
    position: fixed;
    z-index: 9999;
    float: right;
    cursor: pointer;
    min-width: 40px;
    max-width: 100px;
    text-align: center;
    -webkit-transition: All .5s ease;
    -moz-transition: All .5s ease;
    -o-transition: All .5s ease;
    -ms-transition: All .5s ease;
    transition: All .5s ease;
    background: #2db742;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    box-shadow: 0 2px 8px 2px rgb(0 0 0 / 14%);
    -webkit-box-shadow: 0 2px 8px 2px rgb(0 0 0 / 14%);
    -moz-box-shadow: 0 2px 8px 2px rgba(0,0,0,.14);
    height: 58px;
    width: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#whatsappchat a img{
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 3px;
    margin-left: 2px;
}
#whatsappchat a.bottom-right{
    bottom: 30px !important;
}
@media(max-width: 767px) {
    #whatsappchat a {
        margin-bottom: 70px;
    }

    #whatsappchat .btn-web{
        display: none;
    }
    #whatsappchat a.bottom-right{
        bottom: 55px !important;
    }
}

@media(min-width: 768px) {
    #whatsappchat .btn-mobile{
        display: none;
    }
}