<font> in new HTML. The element is deprecated. Use CSS for text color, size and typeface.The historical <font> element controlled color, face and size. Browsers may still render it for compatibility, but modern HTML separates document meaning from visual presentation.
<font color="red" face="Arial" size="4">Legacy styled text</font>
<p class="notice">Modern styled text</p>
.notice {
color: #b00020;
font-family: Arial, Helvetica, sans-serif;
font-size: 1.125rem;
}
rem is useful for scalable site typography, em is relative to the current element context, percentages are relative, and pixels represent CSS pixels. Absolute-size keywords such as small and large are also valid CSS values.
Avoid fixing text so small that users cannot comfortably read it. Allow browser zoom and user text preferences to work, and use sufficient color contrast.
Yes. Keep it only when explaining or maintaining legacy markup; use CSS in new work.
Use the CSS color property.
Use CSS font-family.
Use CSS font-size.
Many browsers still support them for compatibility, but that does not make them appropriate for new HTML.
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