文章重要更新 240803

  • 简化教程，直接贴源码
  • 适配任何博客背景，对背景色无要求。文章圆满。
本文不涉及对主题源代码的修改

本文已收录至 Butterfly 主题美化教程

CodePen 是个好东西，利用好里面现成的项目，我们可以尝试更换 Butterfly 主题的页脚。

在官方文档中 Butterfly 安裝文檔(三) 主題配置-1 | Butterfly（阅读本文务必先阅读这一部分），给出了自定义页脚的修改方式，但这种方法只适合写写版权信息、备案号这些，不适合高级定制。

接下来我将介绍利用 CodePen 项目定制页脚的方法。

效果展示

本文使用的项目

响应式页脚与社交媒体图标：Responsive footer, Responsive footer with social media icons, Attractive responsive footer (codepen.io)

原项目预览：

image.png

移植到本博客后预览：

image.png

基本思路

本小节讲思路哈，先别着急实践。

原项目中 footer 内的内容是展示的最主要的 HTML 内容，应该填入主题配置文件 custom_text 字段（详看 Butterfly 安裝文檔(三) 主題配置-1 | Butterfly）

image.png

接着挑选项目样式内容，复制到新建的 CSS 文件中并将其引入到我们的主题中。Butterfly 主题引入外部 CSS 的方法为在主题配置文件 _config.butterfly.yml 的 inject 部分引入 CSS，例如：

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inject:
  head:
    - <link rel="stylesheet" href="your css">  # 在这里引入
  bottom:
    - <script src="your js"></script>

下文附我的完整 CSS 文件，和注入的内容。

CSS 样式文件

本节之后的内容就是具体的实操部分。

请将下面的 CSS 文件引入主题中：

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#footer-wrap {
    font-family: 'Roboto', sans-serif;
    padding: 0;
}


#footer {
    background-color: rgba(0,0,0,0); /* 修改透明色 */
    color: #fff;
    padding: 0;
}

.footer-logo {
    color: white;
}

.footer-wave-svg {
    height: 50px;
    width: 100%;
    transform: scale(-1, -1) translateY(-10px); /*;*/
}

.footer-wave-path {
    fill: #177ecd;
}

.footer-content {
    margin-left: auto;
    margin-right: auto;
    max-width: 1230px;
    padding: 40px 15px 450px;
    position: relative;
}

.footer-content-column {
    box-sizing: border-box;
    float: left;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    color: #fff;
}

.footer-content-column ul li a {
    color: #fff;
    text-decoration: none;
}

.footer-logo-link {
    display: inline-block;
}

.footer-menu {
    margin-top: 15px;
}

.footer-menu-name {
    color: #fffff2;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: .1em;
    line-height: 18px;
    margin-bottom: 0;
    margin-top: 0;
    text-transform: uppercase;
}

.footer-menu-list {
    list-style: none;
    margin-bottom: 0;
    margin-top: 10px;
    padding-left: 0;
}

.footer-menu-list li {
    margin-top: 5px;
}

.footer-call-to-action-description {
    color: #fffff2;
    margin-top: 10px;
    margin-bottom: 20px;
}

.footer-call-to-action-button:hover {
    background-color: #fffff2;
    color: #00bef0;
}

.button:last-of-type {
    margin-right: 0;
}

.footer-call-to-action-button {
    background-color: #027b9a;
    border-radius: 21px;
    color: #fffff2;
    display: inline-block;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .1em;
    line-height: 18px;
    padding: 12px 30px;
    margin: 0 10px 10px 0;
    text-decoration: none;
    text-transform: uppercase;
    transition: background-color .2s;
    cursor: pointer;
    position: relative;
}

.footer-call-to-action {
    margin-top: 17px;
}

.footer-call-to-action-title {
    color: #fffff2;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: .1em;
    line-height: 18px;
    margin-bottom: 0;
    margin-top: 0;
    text-transform: uppercase;
}

.footer-call-to-action-link-wrapper {
    margin-bottom: 0;
    margin-top: 10px;
    color: #fff;
    text-decoration: none;
}

.footer-call-to-action-link-wrapper a {
    color: #fff;
    text-decoration: none;
}


.footer-social-links {
    bottom: -1px;
    height: 54px;
    position: absolute;
    right: 0;
    width: 236px;
}

.footer-social-amoeba-svg {
    height: 54px;
    left: 0;
    display: block;
    position: absolute;
    top: 0;
    width: 236px;
}

.footer-social-amoeba-path {
    fill: #027b9a;
}

.footer-social-link.email {
    height: 41px;
    left: 4px;
    top: 14px;
    width: 41px;
}

.footer-social-link {
    display: block;
    padding: 10px;
    position: absolute;
}

.hidden-link-text {
    position: absolute;
    clip: rect(1px 1px 1px 1px);
    clip: rect(1px, 1px, 1px, 1px);
    -webkit-clip-path: inset(0px 0px 99.9% 99.9%);
    clip-path: inset(0px 0px 99.9% 99.9%);
    overflow: hidden;
    height: 1px;
    width: 1px;
    padding: 0;
    border: 0;
    top: 50%;
}

.footer-social-icon-svg {
    display: block;
}

.footer-social-icon-path {
    fill: #fffff2;
    transition: fill .2s;
}

.footer-social-link.fish {
    height: 47px;
    left: 121px;
    top: 13px;
    width: 47px;
}

.footer-social-link.rss {
    height: 43px;
    left: 178px;
    top: 10px;
    width: 43px;
}

.footer-social-link.github {
    height: 62px;
    left: 54px;
    top: -4px;
    width: 62px;
}

.footer-copyright {
    background-color: #027b9a;
    color: #fff;
    padding: 15px 30px;
    text-align: center;
}

.footer-copyright-wrapper {
    margin-left: auto;
    margin-right: auto;
    max-width: 1200px;
}

.footer-copyright-text {
    color: #fff;
    font-size: 13px;
    font-weight: 400;
    line-height: 18px;
    margin-bottom: 0;
    margin-top: 0;
}

.footer-copyright-link {
    color: #fff;
    text-decoration: none;
}

.footer-content-div{
    background: #177ecd
}

.footer-svg-div{
    width: 100%;
    max-height: 200px;
}

/* Media Query For different screens */
@media (min-width: 320px) and (max-width: 479px) {
    /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */
    .footer-content {
        margin-left: auto;
        margin-right: auto;
        max-width: 1230px;
        padding: 40px 15px 649px;
        position: relative;
    }

    /* 不展示logo */
    .footer-logo{
        display: none;
    }
}

@media (min-width: 480px) and (max-width: 599px) {
    /* smartphones, Android phones, landscape iPhone */
    .footer-content {
        margin-left: auto;
        margin-right: auto;
        max-width: 1230px;
        padding: 40px 15px 738px;
        position: relative;
    }

    .footer-logo{
        padding-left: 177px; /* Qlogo 稍微偏移一点 */
        padding-right: 170px;
    }
}

@media (min-width: 600px) and (max-width: 800px) {
    /* portrait tablets, portrait iPad, e-readers (Nook/Kindle), landscape 800x480 phones (Android) */
    .footer-content {
        margin-left: auto;
        margin-right: auto;
        max-width: 1230px;
        padding: 40px 15px 758px;
        position: relative;
    }
}

@media (min-width: 801px) {
    /* tablet, landscape iPad, lo-res laptops ands desktops */

}

@media (min-width: 1025px) {
    /* big landscape tablets, laptops, and desktops */

}

@media (min-width: 1281px) {
    /* hi-res laptops and desktops */

}


@media (min-width: 760px) {
    .footer-content {
        margin-left: auto;
        margin-right: auto;
        max-width: 1230px;
        padding: 10px 15px 237px;
        position: relative;
    }

    .footer-content-column {
        /*五列的话 19.99 %*/
        width: 24.99%;
    }
}

@media (min-width: 568px) {

}

@media (min-width: 600px) and (max-width: 760px) {
    /* 在这里编写适用于小屏幕的样式 */
    .footer-logo{
        padding-left: 212px; /* Qlogo 稍微偏移一点 */
        padding-right: 204px;
    }
}

在这个文件中，我对原项目的改进点：

  • 解决边框问题
  • 不同宽度屏幕的适应
  • 改进波浪效果，使其在不同博客背景中均能得到很好的展现。

夜间模式

Butterfly 主题有夜间模式，为了实现更好的波浪效果，建议增加以下 CSS 字段：

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/* 页脚波浪的颜色 */
[data-theme='dark'] .footer-wave-path {
    fill: #0f3858;
}
[data-theme='dark'] .footer-content-div {
    background-color: #0f3858;
}

/* 页脚海底的颜色 */
[data-theme='dark'] .footer-copyright {
    background-color: #104e5e;
}
[data-theme='dark'] .footer-social-amoeba-path {
    fill: #104e5e;
}

预览：

image.png

关于夜间模式的问题详见：站内文章Butterfly 夜间模式变换顶部网站图标

注入 HTML

打开主题配置文件 _config.butterfly.yml，写入以下内容（以目前我的页脚为例，具体内容请自行修改）：

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# Footer Settings
# --------------------------------------
footer:
  owner:
    enable: false
    since: 2022
  custom_text: |
    <div class="footer-svg-div">
      <svg class="footer-wave-svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 100" preserveAspectRatio="none">
      <path class="footer-wave-path" d="M851.8,100c125,0,288.3-45,348.2-64V0H0v44c3.7-1,7.3-1.9,11-2.9C80.7,22,151.7,10.8,223.5,6.3C276.7,2.9,330,4,383,9.8 c52.2,5.7,103.3,16.2,153.4,32.8C623.9,71.3,726.8,100,851.8,100z"></path>
      </svg>    
    </div>
    <div class="footer-content-div" >
    <div class="footer-content">
        <div class="footer-content-column">
            <div class="footer-logo">
                <a class="footer-logo-link" href="#">
                    <span class="hidden-link-text">LOGO</span>
                    <img src="https://cdn.gallery.uuanqin.top/img/A%E5%85%A8%E7%99%BD%E6%97%A0%E5%AD%97.png" style="height:40%; width:40%">
                </a>
            </div>
            <div class="footer-menu">
                <h2 class="footer-menu-name">开始</h2>
                <ul id="menu-get-started" class="footer-menu-list">
                    <li class="menu-item menu-item-type-post_type menu-item-object-product">
                        <a href="/sitemap.xml">站点地图</a>
                    </li>
                </ul>
            </div>
        </div>
        <div class="footer-content-column">
            <div class="footer-menu">
                <h2 class="footer-menu-name">快速链接</h2>
                <ul id="menu-company" class="footer-menu-list">
                    <li class="menu-item menu-item-type-taxonomy menu-item-object-category">
                        <a href="/archives/">时间轴</a>&nbsp;|&nbsp;<a href="/DO_NOT_render/cosmoscope/cosmoscope_trim.html">关系图</a>
                    </li>
                    <li class="menu-item menu-item-type-post_type menu-item-object-product">
                        框架&nbsp;<a href="https://hexo.io/zh-cn/">Hexo</a>
                    </li>
                    <li class="menu-item menu-item-type-post_type menu-item-object-product">
                        主题&nbsp;<a href="https://github.com/jerryc127/hexo-theme-butterfly">Butterfly</a>
                    </li>
                    <li class="menu-item menu-item-type-post_type menu-item-object-product">
                        <a href="https://www.foreverblog.cn/" rel="noopener external nofollow noreferrer" target="_blank" > <img class="img-foreverblog" src="https://cdn.gallery.uuanqin.top/img/forever_logo_en_default_white.png" alt="" style="width:auto;height:21px;margin-top:6px"> </a>
                    </li>
                </ul>
            </div>
    
        </div>

        <div class="footer-content-column">
            <div class="footer-menu">
                <h2 class="footer-menu-name">法律声明</h2>
                <ul id="menu-legal" class="footer-menu-list">
                    <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-privacy-policy menu-item-170434">
                        <a href="/pages/privacy.html">隐私政策</a>
                    </li>
                </ul>
            </div>
            <div class="footer-call-to-action">
                <h2 class="footer-call-to-action-title">联系本站</h2>
                <ul id="menu-legal" class="footer-menu-list">
                    <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-privacy-policy menu-item-170434">
                        <a href="/DO_NOT_render/wechatOA/index.html">微信公众号</a>
                    </li>
    
                    <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-privacy-policy menu-item-170434">
                        <a class="footer-call-to-action-link" href="mailto:[email protected]" target="_self">
                            uuan<span style="display:none">@</span>qi<!-- >@ -->n@<span style="display:none">@</span>uu<!-- >@. -->an<span style="display:none">@</span>qin.top
                        </a>
                    </li>
    
                </ul>
            </div>
    
        </div>
        <div class="footer-content-column">
            <ul id="menu-get-started" class="footer-menu-list">
                <li class="menu-item menu-item-type-post_type menu-item-object-product">
                    <a href="/pages/ai_policy.html" ><img class="img-not-ai" src="https://cdn.gallery.uuanqin.top/img/Written-By-Human-Not-By-AI-Badge-white.svg" alt="Written by Human, Not by AI"></a>
                </li>
                <li class="menu-item menu-item-type-post_type menu-item-object-product">
                    <a href="/pages/cc.html" ><img src="https://cdn.gallery.uuanqin.top/img/by-nc-sa.svg" alt="署名-非商业性使用-相同方式共享 4.0 国际"></a>
                </li>
    
                <li class="menu-item menu-item-type-post_type menu-item-object-product">
                    ©2022-2024 By wuanqin
                </li>
            </ul>
        </div>
    
        <div class="footer-social-links"> <svg class="footer-social-amoeba-svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 236 54">
            <path class="footer-social-amoeba-path" d="M223.06,43.32c-.77-7.2,1.87-28.47-20-32.53C187.78,8,180.41,18,178.32,20.7s-5.63,10.1-4.07,16.7-.13,15.23-4.06,15.91-8.75-2.9-6.89-7S167.41,36,167.15,33a18.93,18.93,0,0,0-2.64-8.53c-3.44-5.5-8-11.19-19.12-11.19a21.64,21.64,0,0,0-18.31,9.18c-2.08,2.7-5.66,9.6-4.07,16.69s.64,14.32-6.11,13.9S108.35,46.5,112,36.54s-1.89-21.24-4-23.94S96.34,0,85.23,0,57.46,8.84,56.49,24.56s6.92,20.79,7,24.59c.07,2.75-6.43,4.16-12.92,2.38s-4-10.75-3.46-12.38c1.85-6.6-2-14-4.08-16.69a21.62,21.62,0,0,0-18.3-9.18C13.62,13.28,9.06,19,5.62,24.47A18.81,18.81,0,0,0,3,33a21.85,21.85,0,0,0,1.58,9.08,16.58,16.58,0,0,1,1.06,5A6.75,6.75,0,0,1,0,54H236C235.47,54,223.83,50.52,223.06,43.32Z"></path>
        </svg>
            <a class="footer-social-link github" href="https://github.com/uuanqin" target="_blank">
                <span class="hidden-link-text">Github</span>
                <svg class="footer-social-icon-svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
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现在，你就能得到本站一模一样的样式，接下来按需更改就行。

更换社交图标

对应着项目 HTML 代码自己替换 SVG 代码更改社交图标。如果你是在 font awesome 复制过来的话，注意几个地方：

image.png

反正跟原来的对上就行。

后记

一年后花了大半天解决波浪效果背景色问题，TMD 又是 CSS，吐槽吐槽吐槽！以后绝不碰前端！

感谢讯飞星火的支持，简化了样式调整开发工作！

已知问题

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  • 移动端 Edge 打开浏览器的夜间模式，并勾选「所有网页均为深色主题」选项时，页脚波浪顶部有白条。但这是 Edge 的问题，该设置温馨提示「打开后某些网站会不美观」的提示。230816 240715