zotero/scss/wizard.scss

// Override/enhance wizard styles
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");

:host(:not(.specificity)) {
    padding: 24px;
    font-size: 12px;
}

:not(.specificity) {

    .wizard-header-box-1 {
        background: var(--material-sidepane);
    }

    .wizard-header-box-text {
        padding: 0;
    }

    .wizard-header-label {
        margin-inline-start: 0;
    }
}

html|*.wizard-page-box:not(.specificity) {
    padding: 16px 0;
}