指定意义的颜色类
通过指定意义的颜色类可以为表格的行或者单元格设置颜色：
实例
Firstname
Lastname
Default
Defaultson
def@somemail.com
Primary
Joe
joe@example.com
Success
Doe
john@example.com
Danger
Moe
mary@example.com
Info
Dooley
july@example.com
Warning
Refs
bo@example.com
Active
Activeson
act@example.com
Secondary
Secondson
sec@example.com
Light
Angie
angie@example.com
Dark
Bo
bo@example.com
