## Typography
We create a font convention to ensure the best presentation across different platforms.
### Chinese Font
### English / Numberic Font
### Font-family
```css
font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
```
### Font Convention
| Main Title |
Build with Element |
20px Extra large |
| Title |
Build with Element |
18px large |
| Small Title |
Build with Element |
16px Medium |
| Body |
Build with Element |
14px Small |
| Body (small) |
Build with Element |
13px Extra Small |
| Supplementary text |
Build with Element |
12px Extra Extra Small |