主题配置

编辑 _butterfly.config.yml，设置明亮主题和背景色 #efefef

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# Default display mode (網站默認的顯示模式)
# light (default) / dark
display_mode: light

# Website Background (設置網站背景)
# can set it to color or image (可設置圖片 或者 顔色)
# The formal of image: url(http://xxxxxx.com/xxx.jpg)
background: '#efefef'

新建样式

新建 source/css/background.css

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title: 注意
从 Butterfly `4.8.0` 版本开始，`#web_bg` 改为 `#body_wrap`。
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#web_bg {
  background: -webkit-linear-gradient(
    0deg,
    rgba(247, 149, 51, 0.1) 0,
    rgba(243, 112, 85, 0.1) 15%,
    rgba(239, 78, 123, 0.1) 30%,
    rgba(161, 102, 171, 0.1) 44%,
    rgba(80, 115, 184, 0.1) 58%,
    rgba(16, 152, 173, 0.1) 72%,
    rgba(7, 179, 155, 0.1) 86%,
    rgba(109, 186, 130, 0.1) 100%
  );
  background: -moz-linear-gradient(
    0deg,
    rgba(247, 149, 51, 0.1) 0,
    rgba(243, 112, 85, 0.1) 15%,
    rgba(239, 78, 123, 0.1) 30%,
    rgba(161, 102, 171, 0.1) 44%,
    rgba(80, 115, 184, 0.1) 58%,
    rgba(16, 152, 173, 0.1) 72%,
    rgba(7, 179, 155, 0.1) 86%,
    rgba(109, 186, 130, 0.1) 100%
  );
  background: -o-linear-gradient(
    0deg,
    rgba(247, 149, 51, 0.1) 0,
    rgba(243, 112, 85, 0.1) 15%,
    rgba(239, 78, 123, 0.1) 30%,
    rgba(161, 102, 171, 0.1) 44%,
    rgba(80, 115, 184, 0.1) 58%,
    rgba(16, 152, 173, 0.1) 72%,
    rgba(7, 179, 155, 0.1) 86%,
    rgba(109, 186, 130, 0.1) 100%
  );
  background: -ms-linear-gradient(
    0deg,
    rgba(247, 149, 51, 0.1) 0,
    rgba(243, 112, 85, 0.1) 15%,
    rgba(239, 78, 123, 0.1) 30%,
    rgba(161, 102, 171, 0.1) 44%,
    rgba(80, 115, 184, 0.1) 58%,
    rgba(16, 152, 173, 0.1) 72%,
    rgba(7, 179, 155, 0.1) 86%,
    rgba(109, 186, 130, 0.1) 100%
  );
  background: linear-gradient(
    90deg,
    rgba(247, 149, 51, 0.1) 0,
    rgba(243, 112, 85, 0.1) 15%,
    rgba(239, 78, 123, 0.1) 30%,
    rgba(161, 102, 171, 0.1) 44%,
    rgba(80, 115, 184, 0.1) 58%,
    rgba(16, 152, 173, 0.1) 72%,
    rgba(7, 179, 155, 0.1) 86%,
    rgba(109, 186, 130, 0.1) 100%
  );
}

引入样式

引入 background.css 到 _butterfly.config.yml

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inject:
  head:
    - <link rel="stylesheet" href="/css/background.css?v1">

参考资料

Hexo 博客之 butterfly 主题优雅更换背景 | 小康博客