添加代码
打开Blog根目录/source/css/custom.css,路径中的css文件夹或custom.css文件没有的话就新建,写入如下代码:
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   |  #aside-content > .card-widget.card-info {   background: linear-gradient(     -45deg,     #e8d8b9,     #eccec5,     #a3e9eb,     #bdbdf0,     #eec1ea   );   box-shadow: 0 0 5px rgb(66, 68, 68);   position: relative;   background-size: 400% 400%;   -webkit-animation: Gradient 10s ease infinite;   -moz-animation: Gradient 10s ease infinite;   animation: Gradient 10s ease infinite !important; } @-webkit-keyframes Gradient {   0% {     background-position: 0% 50%;   }   50% {     background-position: 100% 50%;   }   100% {     background-position: 0% 50%;   } } @-moz-keyframes Gradient {   0% {     background-position: 0% 50%;   }   50% {     background-position: 100% 50%;   }   100% {     background-position: 0% 50%;   } } @keyframes Gradient {   0% {     background-position: 0% 50%;   }   50% {     background-position: 100% 50%;   }   100% {     background-position: 0% 50%;   } }
 
  [data-theme="dark"] #aside-content > .card-widget.card-info {   background: #191919ee; }
 
  #aside-content > .card-widget.card-info > #card-info-btn {   background-color: #3eb8be;   border-radius: 8px; }
 
  | 
 
引入代码
打开主题配置文件_config.butterfly.yml,搜索inject并按下列格式补充完整即可
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   | inject:   head:    - <link rel="stylesheet" href="/css/custom.css">
   | 
 
hexo三连查看效果