NativeScript/apps/ui-tests-app/css/decoration-transform-formattedtext.xml

<Page>
    <StackLayout>
      <Label text="textText" style="text-transform: uppercase; text-decoration: underline line-through;" />
      <Label style="text-transform: uppercase; text-decoration: underline line-through;">
        <Label.formattedText>
          <FormattedString>
            <FormattedString.spans>
              <Span text="text" fontAttributes="Bold" foregroundColor="#ff0000" />
              <Span text="Text" fontAttributes="Italic" foregroundColor="#00ff00" />
            </FormattedString.spans>
          </FormattedString>
        </Label.formattedText>
      </Label>

      <Button text="textText" style="text-transform: uppercase; text-decoration: underline line-through;" />
      <Button style="text-transform: uppercase; text-decoration: underline line-through;">
        <Button.formattedText>
          <FormattedString>
            <FormattedString.spans>
              <Span text="text" fontAttributes="Bold" foregroundColor="#ff0000" />
              <Span text="Text" fontAttributes="Italic" foregroundColor="#00ff00" />
            </FormattedString.spans>
          </FormattedString>
        </Button.formattedText>
      </Button>
    </StackLayout>
</Page>