考研课堂通知短信模板
```html
body {
fontfamily: Arial, sansserif;
lineheight: 1.6;
margin: 0;
padding: 20px;
}
.container {
maxwidth: 600px;
margin: 0 auto;
}
.message {
backgroundcolor: f4f4f4;
padding: 20px;
borderradius: 10px;
}
.header {
backgroundcolor: 4caf50;
color: fff;
padding: 10px;
textalign: center;
borderradius: 10px 10px 0 0;
}
.content {
margintop: 20px;
}