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

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

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