# Style of Slideshow

So I am giving my first shot at making a Mma slideshow. But I am finding difficult to change the formatting of Sections and others in the slideshow.

I can change the style of Sections in the Working environment through the Format > Edit Stylesheet menu. Yet, even when I change the environment to Slideshow (via Format > Screen Environment > Slideshow), and then edit the stylesheet I see no results.

Here is what I see in the stylesheet editor when trying to change the style of the slideshow:

Cell[StyleData[StyleDefinitions -> FrontEndFileName[{"SlideShow"}, "Sapphire.nb",
CharacterEncoding -> "WindowsANSI"]]]

Cell[StyleData["Section"],
FontFamily->"Calibri",
FontSize->48,
FontWeight->"Bold",
FontSlant->"Plain",
FontVariations->{"StrikeThrough"->False,
"Underline"->False}]


Could you tell me what I am doing wrong? I tried changing the Font to Calibri and make it Bold, but when I start the presentation, none of this shows up.

There is a comma missing after CharacterEncoding -> "WindowsANSI"]]]` –  Sjoerd C. de Vries Apr 17 at 14:10