void UpdateTheme() { switch (Prefs.UI.Theme.ProseTypography.GetValue()) { case "sans-serif": currentThemeCssClass = "theme-prose-typography-sans-serif"; ContentElement.AddCssClass(currentThemeCssClass); break; default: if (currentThemeCssClass != null) { ContentElement.RemoveCssClass(currentThemeCssClass); currentThemeCssClass = null; } break; } }