While <strong> and <em> are of course more semantically correct, there seem definite legitimate reasons to use the <b> and <i> tags for customer-written content.

Dec 20, 2009 · Both of them emphasize text. The &lt;em&gt; tag shows text as italics, whereas &lt;strong&gt; makes it bold. Is this the only difference?

Mar 4, 2009 · I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in CSS? Is there a …

Jan 24, 2010 · In CSS, "em" is a way to express size relative to the size of the font. "1 em" means "the same size as the current font box." "1.5 em" means the element is sized about 1-1/2 times the font size.

Dec 17, 2010 · The M-principle that an em is based on the letter M and is dependent on font is an often stated myth!! very succinctly describes exactly how ems and pixels relate. Using the letter M to …

Jun 17, 2015 · cite & em is HTML 5 - standard, which insists in meaning. For a long time, old HTML (like <i>) is used for layout display. But the new standard requires that HTML should only consists of …

Explains the difference between 'rem' and 'em' units in CSS for font sizing and layout.

Jul 31, 2011 · The 'em' is a very useful unit in CSS, since it can adapt automatically to the font that the reader uses An EM is relative to the current element it is defined on. If you use relative sizes (like …

em has the purpose of giving em phasis to the content. In practice emphasised content is typically displayed italicised, so the difference on the face of it is non-existing from a presentation standpoint. …

Mar 5, 2010 · Relative: em (em-height), ex (x-height), px. The first two stand for and "x-height," which are common typographical measurements; however, in CSS, they have meanings you might not …