Pressing this button opens a window, in which you can select an existing CSS file. This button is only active if the setting „Use existing style sheet" is on.
See Also
Settings for generating HTML
Generate high resolution pictures when generating HTML
Overwrite pictures when generating HTML
Resize pictures to fit bounds when generating HTML
JPEG compression rate when generating HTML
For screen resolution when generating HTML
Overwrite HTML files when generating HTML
Create index file when generating HTML
Use existing style sheet when generating HTML
Use of CSS files by the HTML Generator
Export HTML to path when generating HTML