https://blog.csdn.net/zgf19930504/article/details/51508111

1. 选择文件--> 偏好设置

2. 选择 编辑器--> 编辑--> defalult.css, 用文本编辑器打开。

3. 修改css

/**
You can only use the following style.
- color, font-family, font-style
- text-shadow
- background-*
Example:
font-family: "微软雅黑", "Meiryo UI", "Malgun Gothic", "Segoe UI", "Trebuchet MS", Helvetica, sans-serif !important;
text-shadow: 0 1px rgba(0, 0, 0, .8);
background-image: url('wood.jpg');
background-attachment: fixed;
background-repeat: no-repeat;
background-size: cover;
*/

editor {
font-family: "微软雅黑", "Meiryo UI", "Malgun Gothic", "Segoe UI", "Trebuchet MS", Helvetica, sans-serif !important;
}
linenumber {
font-family: "微软雅黑", "Meiryo UI", "Malgun Gothic", "Segoe UI", "Trebuchet MS", Helvetica, sans-serif !important;
}
activeline {
font-family: "微软雅黑", "Meiryo UI", "Malgun Gothic", "Segoe UI", "Trebuchet MS", Helvetica, sans-serif !important;
}
/*
You can only use the following style.
- color, font-family, font-style
- text-shadow
Example:
color: #adadad;
font-style: bold;
text-shadow: 0 1px rgba(0, 0, 0, .8);
*/
header {}
code {}
blockquote {}
li1 {}
li2 {}
li3 {}
hr {}
img {}
a {}
em {}
i {}
strong {}

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作者：记忆碎片_
来源：CSDN
原文：https://blog.csdn.net/zgf19930504/article/details/51508111
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