{
    "legacy_addon_id": "",
    "title": "[SVG]Forum logo",
    "description": "Forum logo text or image",
    "version_id": 2000271,
    "version_string": "2.0.2.1",
    "dev": "HayLock.ru",
    "dev_url": "https://haylock.ru/",
    "faq_url": "",
    "support_url": "",
    "extra_urls": [],
    "require": [],
    "icon": "resource_skaiman.png"
}
.p-header-content {
    justify-content: flex-start;
    .p-header-logo {
        margin-right: 10px;
        .svg-forum-logo {
            .xf-svg_forumLogo();
        }
    }
    .svg-forum-slogan {
        .xf-svg_forumSlogan();
    }
}
.p-nav-smallLogo {
    a {
        color: @xf-svg_forumLogo--color;
        text-decoration: none;
        white-space: nowrap;
    }  
}
<xf:if is="property('svg_header_disable')">
    .p-header-inner {
        display: none;
    }
    .p-nav-smallLogo {
        display: block;
        margin: 0 0 0 10px;
    }
</xf:if>это просто подсветка синтаксиса, не обращайте вниманияВот код выделен красным почему то.