The HTML i element marks text set apart from surrounding content without adding emphasis or importance. Use it for an alternate voice or mood, or for idiomatic, technical, or taxonomical text. section 8.1.3
Choose the markup according to the text’s purpose:
- Use em when italics communicate emphasis. section 8.1.3
- Use i when the text is distinct in voice or meaning, such as technical or taxonomical language. section 8.1.3
- Use a generic HTML element and CSS font-style: italic when italics are purely decorative. section 8.1.3
Figure 8.10 Italics aren’t just slanted; they have design elements added that make the slant feel more cursive and natural.
Compare true italics with simple slanted text before choosing a typographic treatment. section 8.1.3

