.wp-block-immaginificio-imm-sharebuttons:not(.is-style-with-bg) .imm-sharebutton--whatsapp {
    color: var(--imm-sharebuttons--color--whatsapp);
}

.wp-block-immaginificio-imm-sharebuttons.is-style-with-bg .imm-sharebutton.imm-sharebutton--whatsapp:not(:hover) {
    background-color: var(--imm-sharebuttons--color--whatsapp);
}

    .wp-block-immaginificio-imm-sharebuttons.is-style-with-bg .imm-sharebutton.imm-sharebutton--whatsapp:hover {
        color: var(--imm-sharebuttons--color--whatsapp);
    }