#botao-whatsapp {
    display: flex;
    position: fixed;
    background: #d1d1d1;
    bottom: 25px;
    border-radius: 50%;
    width: 64px;
    height: 64px;
    box-shadow: 2px 2px 12px rgba(130, 130, 130, 0.2);
    transition: .4s;
    align-items: center;
    justify-content: center
}

#botao-whatsapp>.botao-suspenso {
    position: absolute;
    bottom: 100%;
    margin-bottom: 20px;
    border-radius: 4px;
    padding: 15px;
    color: #959595;
    font-size: 16px;
    white-space: nowrap;
    box-shadow: 2px 2px 12px rgba(0, 0, 0, .2);
    opacity: 0;
    transition: .4s;
    pointer-events: none
}

#botao-whatsapp>.botao-suspenso:after {
    display: block;
    content: "";
    position: absolute;
    top: 85%;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 6px 7px 0 7px;
    border-color: #fff transparent transparent transparent;
    transition: .4s
}

#botao-whatsapp.left {
    left: 25px
}

#botao-whatsapp.left>.botao-suspenso {
    left: 0;
    transform: translateX(-10%)
}

#botao-whatsapp.left>.botao-suspenso:after {
    left: 23px
}

#botao-whatsapp:not(.left) {
    right: 25px
}

#botao-whatsapp:not(.left)>.botao-suspenso {
    right: 0;
    transform: translateX(10%)
}

#botao-whatsapp:not(.left)>.botao-suspenso:after {
    right: 23px
}

#botao-whatsapp>img {
    display: block;
    width: 34px;
    height: 34px
}

#botao-whatsapp:hover {
    background: #9b9b9b;
    box-shadow: 3px 3px 12px rgba(70, 71, 70, 0.4)
}

#botao-whatsapp:hover>.botao-suspenso {
    opacity: 1;
    transform: translateX(0)
}

#botao-whatsapp:hover>.botao-suspenso:after {
    top: 100%;
    transition-delay: .4s
}