weseek__growi/packages/core-styles/scss/helpers/_modifier-keys.scss

@mixin modifier-key {
  .cmd-key.mac {
    &::after {
      content: '⌘';
    }
  }

  .cmd-key.win {
    &::after {
      content: 'Ctrl';
    }
  }

  .alt-key.mac {
    &::after {
      content: '⌥';
    }
  }

  .alt-key.win {
    &::after {
      content: 'Alt';
    }
  }
}