| text-decoration-color:red | Lorem ipsum dolor sit amet |
| text-decoration-thickness:5px; | Lorem ipsum dolor sit amet |
| text-underline-offset:5px; | Lorem ipsum dolor sit amet |
| -webkit- 前缀 | Lorem ipsum dolor sit amet |
| text-decoration:underline red; | Lorem ipsum dolor sit amet |
| text-underline:#ff0000 thick; | Lorem ipsum dolor sit amet |
text-underline 是 Microsoft Outlook 中的专有等效项。
caniemail.com, 2020.