背景颜色

\Background colors

• bgBlack

• bgRed

• bgGreen

• bgYellow

• bgBlue

• bgMagenta

• bgCyan

• bgWhite

• bgGray(别名:bgGrey、bgBlackBright)

  \bgGray (alias: bgGrey, bgBlackBright)

• bgRedBright

• bgGreenBright

• bgYellowBright

• bgBlueBright

• bgMagentaBright

• bgCyanBright

• bgWhiteBright