.button-whatsapp {
    position: fixed;
    z-index: 2000;
    bottom: 10px;
    right: -130px;
    width: 190px;
    padding: 8px 0;
    background-color: #25d366;
    cursor: pointer;
    overflow: hidden;
    transition: all 500ms ease;
    text-decoration: none;
    color: #fff;
    font-size: 1.2em;
    text-align: left;

    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;

    i {
        vertical-align: middle;
        padding: 0 12px;
    }

    &:hover,
    &:focus {
        right: 0;
        text-decoration: none;
        color: #fff;
    }

    @include media-breakpoint-down(sm) {
        right: -115px;
        width: 160px;
        padding: 6px 0;
        font-size: 1em;
        bottom: 30px;

        border-top-left-radius: 20px;
        border-bottom-left-radius: 20px;

        i {
            vertical-align: middle;
            padding: 0 10px;
        }
    }
}