如何为Material UI的页眉，正文和按钮标签设置自定义字体？

以下是用于控制不同文本变体的字体系列的语法。

查看主题中可用属性的最简单方法是查看默认主题的结构：https : //material-
ui.com/customization/default-theme/

const theme = createMuiTheme({  typography: {    h1: {      fontFamily: "Comic Sans MS"    },    h2: {      fontFamily: "Arial"    },    h3: {      fontFamily: "Times New Roman"    },    h4: {      fontFamily: "verdana"    },    button: {      fontFamily: "Comic Sans MS"    }  }});