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LinuxDo自定义🛠️

为 LinuxDo 设置 快速收藏、点击数可视化、图像缩放、小图显示、自定义徽标、去除模糊、详情展开、页面加宽 等功能。

// ==UserScript==
// @name LinuxDo自定义🛠️
// @name:en     LinuxDo Custom🛠️
// @name:zh-CN  LinuxDo自定义🛠️(快速收藏|点击数可视化|大图缩放|页面加宽|自定义徽标|去除模糊 等
// @description 为 LinuxDo 设置 快速收藏、点击数可视化、图像缩放、小图显示、自定义徽标、去除模糊、详情展开、页面加宽 等功能。
// @description:en Adds customizable features such as logos, click count visualization, image resize, and quick bookmarking to LinuxDo
// @description:zh-CN 为 LinuxDo 设置 快速收藏、点击数可视化、图像缩放、小图显示、自定义徽标、去除模糊、详情展开、页面加宽 等功能。
// @version      0.4.1
// @author       Yearly
// @match        https://linux.do/*
// @icon        data:image/svg+xml;base64,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
// @license      GPL-3.0
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @namespace    http://tampermonkey.net/
// @supportURL   https://greasyfork.org/scripts/499029
// @homepageURL  https://greasyfork.org/scripts/499029
// ==/UserScript==

(function() {
    var settings = {};

    const default_main_icon = "data:image/svg+xml;base64,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"

    const default_wide_icon = "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMTAiIGhlaWdodD0iMTEwIiB2aWV3Ym94PSItNSAtNSAzMTAgMTEwIj48cmVjdCB3aWR0aD0iOTkiIGhlaWdodD0iOTkiIHJ4PSIxMDAlIiBmaWxsPSIjRjFGMUYxIi8+PHRleHQgeD0iMjQiIHk9Ijc2IiBmb250LXNpemU9Ijc3IiBmaWxsPSIjRmMzIiBmb250LXdlaWdodD0iYm9sZCI+TDwvdGV4dD48dGV4dCB4PSI3MCIgeT0iNzUiIGZvbnQtc2l6ZT0iNDYiIGZpbGw9IiM4ODgiIGZvbnQtd2VpZ2h0PSJib2xkIiBsZXR0ZXItc3BhY2luZz0iNSI+SU5VWDwvdGV4dD48dGV4dCB4PSIyMDUiIHk9Ijc3IiBmb250LXNpemU9IjcwIiBmaWxsPSIjRUVFIiBmb250LXdlaWdodD0iNjYwIj5EbzwvdGV4dD48L3N2Zz4=";

    const settingsConfig = {
        quick_mark    : { type: 'checkbox', label: '快速收藏  ', default: true, style:'', info:'在帖子上增加一个⭐用于快速收藏到书签' },
        cnts_colorful : { type: 'checkbox', label: '点击数可视化', default: true, style:'', info:'点击数彩色高亮,数越大,颜色越红' },
        image_view    : { type: 'checkbox', label: '增强大图查看', default: true, style:'', info:'在大图查看时,支持滚轮缩放和鼠标拖动位置' },
        spoiler_noblur: { type: 'checkbox', label: '去除模糊', default: false, style:'', info:'去除剧透字段的模糊,使其直接显示' },
        details_open  : { type: 'checkbox', label: '详情展开', default: false, style:'', info:'直接展开被折叠的详情' },
        wider_page    : { type: 'checkbox', label: '超宽显示', default: false, style:'', info:'让页面显示尽量宽' },
        thin_header   : { type: 'checkbox', label: '窄的顶栏', default: false, style:'', info:'让(Header)顶栏变窄' },
        topic_scroll  : { type: 'checkbox', label: '帖子限高', default: true, style:'', info:'帖子内容限高,太长的帖子会自动滚动' },

        image_mini    : { type: 'checkbox', label: '显示小图', default: false, style:'', info:'让帖子中的图都变小,在鼠标悬停时显示大图' },
        image_mini_H  : { type: 'number', label: '  小图高度', default: "50", dependsOn: 'image_mini', style:'font-size:15px; margin-top:10px;' , info:'(单位px,建议设为大于30的数)' },
        image_mini_W  : { type: 'number', label: '  小图宽度', default: "50", dependsOn: 'image_mini', style:'font-size:15px; margin-top:10px;' , info:'(单位px,建议设为大于30的数)' },

        icon_custom   : { type: 'checkbox', label: '自定义图标', default: false, style:'' , info:'始皇说不建议这样,所以我让鼠标悬停时能看眼原LOGO' },
        icon_main     : { type: 'text', label: '  主图标URL', default: default_main_icon, dependsOn: 'icon_custom', style:'font-size:15px; margin-top:10px;', info:'' },
        icon_wide     : { type: 'text', label: '  宽图标URL', default: default_wide_icon, dependsOn: 'icon_custom', style:'font-size:15px; margin-top:10px;', info:'' },
    };

    Object.keys(settingsConfig).forEach(key => {
        settings[key] = GM_getValue(key, settingsConfig[key].default);
    });

    GM_registerMenuCommand('Custom Settings', openSettings);

    function openSettings() {
        if (document.querySelector('div#linuxdo-custom-setting')) {
            return;
        }
        const shadow = document.createElement('div');
        shadow.style = `position: fixed; top: 0%; left: 0%; z-index:8888; width:100vw; height:100vh; background: #6668;`;
        const panel = document.createElement('div');
        panel.style = `position: fixed; top: 45%; left: 50%; z-index:9999; transform: translate(-50%, -50%); background: white; padding:15px 25px; border: 1px solid #ccc; color:#000;`;
        panel.id = "linuxdo-custom-setting"
        let html = `
            <style type="text/css">
              :scope label {color:#666; font-size:16px; display:flex; justify-content:space-between; align-items:center; margin-top:25px;}
              :scope label span {color:#6bc; font-size:12px; font-weight:normal; padding:0 6px; margin-right:auto;}
              :scope label input[type=text] {width:300px; padding:1px; margin:0 5px 0 0; font-size:14px;}
              :scope label input[type=number] {width:60px; padding:1px; margin:0 5px; text-align:center;}
              :scope label input[type=checkbox] {background:pink; margin:0 5px;}
              :scope label input[disabled] {background: #CCC;}
              :scope label button {user-select: none; color: #333; padding: 2px 10px; margin-top:10px; border-radius:5px;}
            </style>
            <h2 style="text-align:center; margin-top:.5rem;">———— Settings ————</h2>
            `;
        Object.keys(settingsConfig).forEach(key => {
            const cfg = settingsConfig[key];
            const val = settings[key];
            const checked = cfg.type === 'checkbox' && val ? 'checked' : '';
            const disabled = cfg.dependsOn && !settings[cfg.dependsOn] ? 'disabled' : '';
            html += `<label style="${cfg.style}">${cfg.label}<span>${cfg.info}</span><input type="${cfg.type}" id="ujs_set_${key}" value="${val}" ${checked} ${disabled} ></label>`;
        });
        html += `<label><button id="ld_userjs_apply" style="font-weight: bold; background:#ACE">保存并刷新</button>
           <span></span><button id="ld_userjs_save">仅保存</button>
           <span></span><button id="ld_userjs_reset">重置</button>
           <span></span><button id="ld_userjs_close">取消</button></label>`;
        panel.innerHTML = html;

        document.body.append(shadow, panel);

        Object.keys(settingsConfig).forEach(key => {
            if (settingsConfig[key].dependsOn) {
                document.getElementById(`ujs_set_${settingsConfig[key].dependsOn}`).addEventListener('change', updateDependencies);
            }
        });

        function updateDependencies() {
            Object.keys(settingsConfig).forEach(key => {
                if (settingsConfig[key].dependsOn) {
                    document.getElementById(`ujs_set_${key}`).disabled = !document.getElementById(`ujs_set_${settingsConfig[key].dependsOn}`).checked;
                }
            });
        }

        document.querySelector('button#ld_userjs_save').addEventListener('click', () => {
            Object.keys(settingsConfig).forEach(key => {
                const element = document.getElementById(`ujs_set_${key}`);
                settings[key] = element.type === 'checkbox' ? element.checked : element.value;
                GM_setValue(key, settings[key]);
            });
            alert('Settings saved!');
            panel.remove();
        });

        document.querySelector('button#ld_userjs_apply').addEventListener('click', () => {
            Object.keys(settingsConfig).forEach(key => {
                const element = document.getElementById(`ujs_set_${key}`);
                settings[key] = element.type === 'checkbox' ? element.checked : element.value;
                GM_setValue(key, settings[key]);
            });
            window.location.reload();
        });

        document.querySelector('button#ld_userjs_reset').addEventListener('click', () => {
            Object.keys(settingsConfig).forEach(key => {
                GM_deleteValue(key);
            });
            window.location.reload();
        });

        function setting_hide() {
            panel.remove();
            shadow.remove();
        }


        document.querySelector('button#ld_userjs_close').addEventListener('click', () => setting_hide());

        shadow.onclick = () => setting_hide();

        updateDependencies();
    }

    // Function 1: Custom Logo
    if (settings.icon_custom) {
        GM_addStyle(`
            #site-logo {
                object-fit: scale-down;
                object-position: -999vw;
                background-size: cover;
                background-repeat: no-repeat;
                background-image: url('${settings.icon_main}');
                opacity: 1;
                transition: opacity 0.5s ease;
            }
            #site-logo.logo-big {
                background-image: url('${settings.icon_wide}');
            }
            #site-logo.logo-mobile {
                background-image: url('${settings.icon_wide}');
            }
            #site-logo:hover {
                object-position: unset;
                background-image: none;
            }
        `);

        function replaceIcon() {
            document.querySelector('link[rel="icon"]').href = settings.icon_main;
        }

        const observer = new MutationObserver(replaceIcon);
        observer.observe(document.head, { childList: true, subtree: true });

        replaceIcon();
    }

    // Function 2: Click Counts Visualization
    if (settings.cnts_colorful) {
        (function countsColorful() {
            const badges = document.querySelectorAll("span.badge.badge-notification.clicks");
            let values = Array.from(badges, badge => parseInt(badge.title || badge.textContent));
            let maxValue = Math.max(...values);
            let minValue = Math.min(...values);
            if (maxValue < 100 || (maxValue - minValue < 10)) maxValue = maxValue * 1.5;
            badges.forEach(badge => {
                if (!badge.style.backgroundColor) {
                    const number = parseInt(badge.title || badge.textContent);
                    const hue = 180 - (number / maxValue) * 180;
                    badge.style.backgroundColor = `hsl(${hue}, 50%, 50%)`;
                    badge.style.color = "#fff";
                    const sl = document.createElement('span');
                    sl.style = `height: 1em; display: inline-block; float: right; background: hsl(${hue}, 50%, 50%); width: ${100 * (number / maxValue)}px;`;
                    badge.after(sl);
                }
            });
            setTimeout(countsColorful, 1500);
        })();
    }

    // Function 3: Image Resize and Drag
    if (settings.image_view) {
        let sizePercent = 80;
        let isDragging = false;
        let startX, startY, initialX, initialY;

        function adjustSize(event) {
            let contentImg = document.querySelector('section#discourse-lightbox img');
            if (contentImg) {
                let delta = event.deltaY > 0 ? -10 : 10;
                sizePercent += delta;
                if (sizePercent > 300) sizePercent = 300;
                if (sizePercent < 5) sizePercent = 5;

                contentImg.style.width = sizePercent + '%';
                contentImg.style.maxWidth = sizePercent + '%';
                // contentImg.style.height = sizePercent + '%';
                contentImg.style.maxHeight = sizePercent + '200%';
                // contentImg.style.objectFit = "contain";
            }
        }

        function startDrag(event) {
            let contentImg = document.querySelector('section#discourse-lightbox img');
            if (contentImg) {
                isDragging = true;
                startX = event.clientX;
                startY = event.clientY;
                initialX = contentImg.offsetLeft;
                initialY = contentImg.offsetTop;
                event.preventDefault();
            }
        }

        function drag(event) {
            if (isDragging) {
                let contentImg = document.querySelector('section#discourse-lightbox img');
                if (contentImg) {
                    let dx = event.clientX - startX;
                    let dy = event.clientY - startY;
                    contentImg.style.left = (initialX + dx) + 'px';
                    contentImg.style.top = (initialY + dy) + 'px';
                }
            }
        }

        function stopDrag(event) {
            isDragging = false;
        }

        let observer = new MutationObserver(function(mutations) {
            mutations.forEach(function(mutation) {
                mutation.addedNodes.forEach(function(node) {
                    let contentImg = document.querySelector('section#discourse-lightbox img');
                    if (contentImg) {
                        document.querySelector('section#discourse-lightbox').onwheel = adjustSize;
                        contentImg.onmousedown = startDrag;
                        contentImg.onmouseup = stopDrag;
                        contentImg.onmousemove = drag;
                        contentImg.style.cursor = "move";

                        function stopClickEvent(event) {
                            event.stopImmediatePropagation();
                            event.preventDefault();
                        }
                        contentImg.addEventListener('click', stopClickEvent, true);
                    }
                });
            });
        });

        observer.observe(document.body, { childList: true, subtree: true });

    }

    // Function 4: Quick Bookmark
    if (settings.quick_mark) {
        const starSvg = `<svg class="svg-icon" aria-hidden="true" style="text-indent: 1px; transform: scale(1); width:18px; height:18px;">
             <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512">
             <path d="M259.3 17.8L194 150.2 47.9 171.5c-26.2 3.8-36.7 36.1-17.7 54.6l105.7 103-25 145.5c-4.5 26.3 23.2 46 46.4 33.7L288 439.6l130.7 68.7c23.2 12.2 50.9-7.4 46.4-33.7l-25-145.5 105.7-103c19-18.5 8.5-50.8-17.7-54.6L382 150.2 316.7 17.8c-11.7-23.6-45.6-23.9-57.4 0z"></path></svg></svg> `;
        let markMap = new Map();

        function handleResponse(xhr, successCallback, errorCallback) {
            xhr.onreadystatechange = function() {
                if (xhr.readyState === 4) {
                    if (xhr.status === 200) {
                        successCallback(xhr);
                    } else {
                        errorCallback(xhr);
                    }
                }
            };
        }

        function deleteStarMark(mark_btn, data_id) {
            if (markMap.has(data_id)) {
                const mark_id = markMap.get(data_id);
                var xhr = new XMLHttpRequest();
                xhr.open('DELETE', `/bookmarks/${mark_id}`, true);
                xhr.setRequestHeader('Content-Type', 'application/json');
                xhr.setRequestHeader('x-requested-with', 'XMLHttpRequest');
                xhr.setRequestHeader("x-csrf-token", document.head.querySelector("meta[name=csrf-token]")?.content);

                handleResponse(xhr, (xhr) => {
                    mark_btn.style.color = '#777';
                    mark_btn.title = "收藏";
                    mark_btn.onclick = () => addStarMark(mark_btn, data_id);
                }, (xhr) => {
                    alert('删除失败!' + xhr.statusText + "\n" + TryParseJson(xhr.responseText));
                });

                xhr.send();
            }
        }

        function TryParseJson(str) {
            try {
                const jsonObj = JSON.parse(str);
                return JSON.stringify(jsonObj, null, 1);
            } catch (error) {
                return str;
            }
        }

        function addStarMark(mark_btn, data_id) {
            const xhr = new XMLHttpRequest();
            xhr.open('POST', '/bookmarks', true);
            xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
            xhr.setRequestHeader('x-requested-with', 'XMLHttpRequest');
            xhr.setRequestHeader('discourse-logged-in', ' true');
            xhr.setRequestHeader('discourse-present', ' true');
            xhr.setRequestHeader("x-csrf-token", document.head.querySelector("meta[name=csrf-token]")?.content);
            const postData = `name=%E6%94%B6%E8%97%8F&auto_delete_preference=3&bookmarkable_id=${data_id}&bookmarkable_type=Post`;

            handleResponse(xhr, (xhr) => {
                mark_btn.style.color = '#fdd459';
                mark_btn.title = "删除收藏";
                mark_btn.onclick = () => deleteStarMark(mark_btn, data_id);
            }, (xhr) => {
                alert('收藏失败!' + xhr.statusText + "\n" + TryParseJson(xhr.responseText));
            });

            xhr.send(postData);
        }

        function addMarkBtn() {
            let articles = document.querySelectorAll("article[data-post-id]");
            if (articles.length <= 0) return;

            articles.forEach(article => {
                const target = article.querySelector("div.topic-body.clearfix > div.regular.contents > section > nav > div.actions");
                if (target && !article.querySelector("div.topic-body.clearfix > div.regular.contents > section > nav > span.star-bookmark")) {
                    const dataPostId = article.getAttribute('data-post-id');
                    const starButton = document.createElement('span');

                    starButton.innerHTML = starSvg;
                    starButton.className = "star-bookmark";
                    starButton.style.cursor = 'pointer';
                    starButton.style.margin = '0px 12px';

                    if (markMap.has(dataPostId)) {
                        starButton.style.color = '#fdd459';
                        starButton.title = "删除收藏";
                        starButton.onclick = () => deleteStarMark(starButton, dataPostId);
                    } else {
                        starButton.style.color = '#777';
                        starButton.title = "收藏";
                        starButton.onclick = () => addStarMark(starButton, dataPostId);
                    }
                    target.after(starButton);
                }
            });
        }

        function getStarMark() {
            let articles = document.querySelectorAll("article[data-post-id]");
            if (articles.length <= 0) return;

            const currentUserElement = document.querySelector('#current-user button');
            const currentUsername = currentUserElement ? currentUserElement.getAttribute('href').replace('/u/', '') : null;

            const xhr = new XMLHttpRequest();
            xhr.open('GET', `/u/${currentUsername}/user-menu-bookmarks`, true);
            xhr.setRequestHeader("x-csrf-token", document.head.querySelector("meta[name=csrf-token]")?.content);

            handleResponse(xhr, (xhr) => {
                var response = JSON.parse(xhr.responseText);
                response.bookmarks.forEach(mark => {
                    markMap.set(mark.bookmarkable_id.toString(), mark.id.toString());
                });
                addMarkBtn();
            }, (xhr) => {
                console.error('GET请求失败:', xhr.statusText);
            });

            xhr.send();
        }

        let lastUpdateMarkTime = 0;
        let lastUpdateButnTime = 0;
        function mutationCallback() {
            const currentTime = Date.now();
            if (currentTime - lastUpdateMarkTime > 9000) {
                setTimeout(getStarMark, 500);
                lastUpdateMarkTime = currentTime;
            }
            if (currentTime - lastUpdateButnTime > 1000) {
                setTimeout(addMarkBtn, 500);
                lastUpdateButnTime = currentTime;
            }
        }

        const mainNode = document.querySelector("#main-outlet");
        if (mainNode) {
            const observer = new MutationObserver(mutationCallback);
            observer.observe(mainNode, { childList: true, subtree: true });
        }

        getStarMark();
    }

    // Function 5: mini article image show
    if (settings.image_mini) {
        let _H = parseInt(settings.image_mini_H);
        let _W = parseInt(settings.image_mini_W);//  transition: max-width 0.5s ease-in-out, max-height 0.5s ease-in-out;

        GM_addStyle(`
        article div.topic-body div.regular.contents img:not(.thumbnail):not(.ytp-thumbnail-image):not(.emoji) {
           max-width : ${_W}px;
           max-height : ${_H}px;
           object-fit: contain;
        }
        `)

        var imageMiniTimer = setInterval(function() {
            var images = document.querySelectorAll('article div.topic-body div.regular.contents img:not(.thumbnail):not(.ytp-thumbnail-image):not(.emoji)');

            if (images.length >= 1) {

                for (var i = 0; i < images.length; i++) {
                    let img = images[i];
                    let image_src = null;
                    let src_height = null;

                    let urls = img.getAttribute('srcset')
                    if (urls) {
                        urls = urls.match(/https:\/\/[^,\s]+/g);
                        image_src = urls[urls.length - 1];
                    }else{
                        image_src = img.src;
                    }

                    src_height = img.naturalHeight || img.height;

                    if (img.parentElement.matches('a.lightbox')) {
                        img = img.parentElement;
                        if (!image_src) {
                            image_src = img.getAttribute('href');
                        }
                    }
                    //console.log(image_src)
                    img.image_src = image_src;
                    img.src_height = src_height;

                    let previewDiv = null;

                    if (document.getElementById('hover-preview-img') == null) {
                        previewDiv = document.createElement('div');
                        previewDiv.id = 'hover-preview-img';
                        previewDiv.style = 'position: fixed; z-index:999; transition: max-width 0.3s ease-in-out, max-height 0.3s ease-in-out, left 0.3s ease-in-out; max-width: 0px; max-height 0px;'; // display:none;
                        document.body.appendChild(previewDiv);
                        let fullSizeImg = document.createElement('img');
                        fullSizeImg.className = 'full-size-image';
                        previewDiv.appendChild(fullSizeImg);
                    } else {
                        previewDiv = document.getElementById('hover-preview-img');
                    }

                    img.addEventListener('mouseenter', function(event) {
                        let previewDiv = document.getElementById('hover-preview-img');
                        let fullSizeImg = previewDiv.querySelector('.full-size-image');
                        previewDiv.style.display = 'block';
                        previewDiv.style.background="#FFFE";
                        previewDiv.style.boxShadow="1px 1px 5px #555";
                        previewDiv.style.padding="0px";

                        previewDiv.style.left= event.clientX + 10 + 'px';
                        previewDiv.style.maxWidth = '99vw';
                        previewDiv.style.maxHeight = '99vh';

                        this.title="";
                        fullSizeImg.src = this.image_src;
                        fullSizeImg.style.width = '';
                        fullSizeImg.style.height = '';
                        fullSizeImg.style.maxWidth = '100%';
                        fullSizeImg.style.maxHeight = '100%';
                        previewDiv.style.top = event.clientY - this.src_height/2 + 'px';

                        fullSizeImg.onload = function() {
                            console.log(previewDiv.offsetTop , fullSizeImg.naturalHeight , window.innerHeight);
                            if (previewDiv.offsetTop + fullSizeImg.naturalHeight > window.innerHeight - 5) {
                                previewDiv.style.top = window.innerHeight - 5 - fullSizeImg.naturalHeight + 'px';
                               // console.log( 'a:'+ previewDiv.style.top )
                            } else {
                               // previewDiv.style.top = event.clientY - this.src_height/2 + 'px';
                              //  console.log( 'b:'+ previewDiv.style.top )
                            }
                        };

                    });

                    img.addEventListener('mouseleave', function() {
                        let previewDiv = document.getElementById('hover-preview-img');
                        // previewDiv.style.display="none";
                        previewDiv.style.left = "150vw";
                        previewDiv.style.maxWidth = "0px";
                        previewDiv.style.maxHeight = "0px";
                        //console.log("out")
                    });
                }
            }
        }, 1000);
    }

    // Function 6: remove spoiler blurred
    if (settings.spoiler_noblur) {
        GM_addStyle(`
        .spoiler-blurred {
          filter: drop-shadow(0px 0px 3px #BBB)!important;
        }

        .spoiler-blurred img {
          filter: drop-shadow(0px 0px 3px #BBB)!important;
        }

        `)
    }

    // Function 7: details open
    if (settings.details_open) {
        function open_detail() {
            let details = document.querySelectorAll("article details");
            details.forEach(detail => {
                if (detail.opened != true) {
                    detail.open = true;
                    detail.opened = true;
                }
            });
            setTimeout(open_detail, 990);
        }
        setTimeout(open_detail, 900);
    }

    // Function 8: wider page
    if (settings.wider_page) {
        GM_addStyle(`
        #main-outlet-wrapper {
          max-width: 100%!important;
        }
        body.has-sidebar-page header.d-header > div.wrap {
          max-width: 100%!important;
        }
        .topic-body {
          width: 100%!important;
        }
        `)
    }

    // Function 9: thin_header
    if (settings.thin_header) {
        GM_addStyle(`
        .d-header  {
          height: 2.5em !important;
        }
        .d-header .extra-info-wrapper .title-wrapper {
          display: flex;
          flex-direction: row;
        }
        .d-header div.title-wrapper > h1.header-title {
          width: auto;
          font-size: large;
        }
        .d-header #site-logo {
           height: 2em !important;
        }
        .d-header .d-header-icons .icon img.avatar {
           height: 2em !important;
        }
        `)
    }

    // Function 10: topic contents scroll
    if (settings.topic_scroll) {

        GM_addStyle(`
        article div.topic-body .regular.contents .cooked {
            max-height: 60vh;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: #aaaa #1111;
        }
        article div.topic-body .regular.contents .cooked ::-webkit-scrollbar-track {
            background: #1111;
        }
        article div.topic-body .regular.contents .cooked ::-webkit-scrollbar-thumb {
            background: #aaaa;
        }
        article div.topic-body .regular.contents .cooked ::-webkit-scrollbar-thumb:hover {
            background: #0008;
        }
        `)
    }

})();